Home / 3,771.27-5,657.99-1,691.87

Finding the Fourth Proportional to 3,771.27, 5,657.99 and 1,691.87

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Solution

The fourth proportional to 3,771.27, 5,657.99 and 1,691.87 is: 2,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.27 : 5,657.99 = 1,691.87 : x
  2. Step 2: Convert to fraction form
    3,771.27/5,657.99 = 1,691.87/x
  3. Step 3: Cross multiply
    3,771.27x = 5,657.99 × 1,691.87
  4. Step 4: Simplify right side
    3,771.27x = 9,572,546.79
  5. Step 5: Solve for x
    x = 9,572,546.79/3,771.27
  6. Step 6: Final answer
    x = 2,538.28

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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.