Where is number 3 cylinder located on 07 kia rio?

On a 2007 Kia Rio, the number 3 cylinder is located at the rear of the engine, which is oriented towards the firewall. In a typical inline-four engine configuration, the cylinders are numbered from front to back, so number 1 is at the front, followed by number 2, number 3, and then number 4 at the rear.