Finding the Fourth Proportional to 2,201.49, 3,302.19 and 558
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Solution
The fourth proportional to 2,201.49, 3,302.19 and 558 is: 836.99
Step by Step Solution
- Step 1: Write the proportion equation
2,201.49 : 3,302.19 = 558 : x - Step 2: Convert to fraction form
2,201.49/3,302.19 = 558/x - Step 3: Cross multiply
2,201.49x = 3,302.19 × 558 - Step 4: Simplify right side
2,201.49x = 1,842,622.02 - Step 5: Solve for x
x = 1,842,622.02/2,201.49 - Step 6: Final answer
x = 836.99
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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.