Danilo D'Ambrosio, Eder and Joao Mario were on target as the Nerazzurri stretched their winning run by inflicting a 14th league loss on the visitors
Inter's charge up the Serie A table continued on Saturday as they beat struggling Pescara 3-0 in their seventh successive league win to move up to fourth.
Stefano Pioli has overseen a remarkable upturn in form since replacing Frank de Boer in November and they were ruthless at San Siro against Pescara, continuing their impressive winning streak to capitalise on Lazio's defeat at home to Chievo and move up one place in the standings.