Home / 3,755.47-5,631.49-1,562.89

Finding the Fourth Proportional to 3,755.47, 5,631.49 and 1,562.89

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Solution

The fourth proportional to 3,755.47, 5,631.49 and 1,562.89 is: 2,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.47 : 5,631.49 = 1,562.89 : x
  2. Step 2: Convert to fraction form
    3,755.47/5,631.49 = 1,562.89/x
  3. Step 3: Cross multiply
    3,755.47x = 5,631.49 × 1,562.89
  4. Step 4: Simplify right side
    3,755.47x = 8,801,399.41
  5. Step 5: Solve for x
    x = 8,801,399.41/3,755.47
  6. Step 6: Final answer
    x = 2,343.62

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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.