Finding the Fourth Proportional to 2,290.30, 3,433.11 and 903.08
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Solution
The fourth proportional to 2,290.30, 3,433.11 and 903.08 is: 1,353.69
Step by Step Solution
- Step 1: Write the proportion equation
2,290.30 : 3,433.11 = 903.08 : x - Step 2: Convert to fraction form
2,290.30/3,433.11 = 903.08/x - Step 3: Cross multiply
2,290.30x = 3,433.11 × 903.08 - Step 4: Simplify right side
2,290.30x = 3,100,361.40 - Step 5: Solve for x
x = 3,100,361.40/2,290.30 - Step 6: Final answer
x = 1,353.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.