Home / 3,654.26-5,470.83-2,148.74

Finding the Fourth Proportional to 3,654.26, 5,470.83 and 2,148.74

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Solution

The fourth proportional to 3,654.26, 5,470.83 and 2,148.74 is: 3,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.26 : 5,470.83 = 2,148.74 : x
  2. Step 2: Convert to fraction form
    3,654.26/5,470.83 = 2,148.74/x
  3. Step 3: Cross multiply
    3,654.26x = 5,470.83 × 2,148.74
  4. Step 4: Simplify right side
    3,654.26x = 11,755,391.25
  5. Step 5: Solve for x
    x = 11,755,391.25/3,654.26
  6. Step 6: Final answer
    x = 3,216.90

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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.