A simple index of three stocks opens the day with these values: The index rises 3.4% over the course of the day. What is the value of the index at the end of the day? Round your answer to the nearest hundred.

If I am doing the math correctly, the value of the index at the end of the day would be 4. I found this answer by multiplying 3 by 0.34 which equaled 1.02, and when rounded to the nearest hundred, is 1.