Home / 3,771.38-5,652.28-1,691.30

Finding the Fourth Proportional to 3,771.38, 5,652.28 and 1,691.30

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Solution

The fourth proportional to 3,771.38, 5,652.28 and 1,691.30 is: 2,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.38 : 5,652.28 = 1,691.30 : x
  2. Step 2: Convert to fraction form
    3,771.38/5,652.28 = 1,691.30/x
  3. Step 3: Cross multiply
    3,771.38x = 5,652.28 × 1,691.30
  4. Step 4: Simplify right side
    3,771.38x = 9,559,706.27
  5. Step 5: Solve for x
    x = 9,559,706.27/3,771.38
  6. Step 6: Final answer
    x = 2,534.80

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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.