Home / 1,553.85-2,331.56-1,034.20

Finding the Fourth Proportional to 1,553.85, 2,331.56 and 1,034.20

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Solution

The fourth proportional to 1,553.85, 2,331.56 and 1,034.20 is: 1,551.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.85 : 2,331.56 = 1,034.20 : x
  2. Step 2: Convert to fraction form
    1,553.85/2,331.56 = 1,034.20/x
  3. Step 3: Cross multiply
    1,553.85x = 2,331.56 × 1,034.20
  4. Step 4: Simplify right side
    1,553.85x = 2,411,299.35
  5. Step 5: Solve for x
    x = 2,411,299.35/1,553.85
  6. Step 6: Final answer
    x = 1,551.82

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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.