Home / 3,761.25-5,640.17-2,201.65

Finding the Fourth Proportional to 3,761.25, 5,640.17 and 2,201.65

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Solution

The fourth proportional to 3,761.25, 5,640.17 and 2,201.65 is: 3,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.25 : 5,640.17 = 2,201.65 : x
  2. Step 2: Convert to fraction form
    3,761.25/5,640.17 = 2,201.65/x
  3. Step 3: Cross multiply
    3,761.25x = 5,640.17 × 2,201.65
  4. Step 4: Simplify right side
    3,761.25x = 12,417,655.17
  5. Step 5: Solve for x
    x = 12,417,655.17/3,761.25
  6. Step 6: Final answer
    x = 3,301.47

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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.