Home / 3,761.29-5,642.30-1,569.61

Finding the Fourth Proportional to 3,761.29, 5,642.30 and 1,569.61

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Solution

The fourth proportional to 3,761.29, 5,642.30 and 1,569.61 is: 2,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.29 : 5,642.30 = 1,569.61 : x
  2. Step 2: Convert to fraction form
    3,761.29/5,642.30 = 1,569.61/x
  3. Step 3: Cross multiply
    3,761.29x = 5,642.30 × 1,569.61
  4. Step 4: Simplify right side
    3,761.29x = 8,856,210.50
  5. Step 5: Solve for x
    x = 8,856,210.50/3,761.29
  6. Step 6: Final answer
    x = 2,354.57

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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.