Home / 3,640.06-5,454.33-2,177.38

Finding the Fourth Proportional to 3,640.06, 5,454.33 and 2,177.38

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Solution

The fourth proportional to 3,640.06, 5,454.33 and 2,177.38 is: 3,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.06 : 5,454.33 = 2,177.38 : x
  2. Step 2: Convert to fraction form
    3,640.06/5,454.33 = 2,177.38/x
  3. Step 3: Cross multiply
    3,640.06x = 5,454.33 × 2,177.38
  4. Step 4: Simplify right side
    3,640.06x = 11,876,149.06
  5. Step 5: Solve for x
    x = 11,876,149.06/3,640.06
  6. Step 6: Final answer
    x = 3,262.62

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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.