Home / 3,743.74-5,617.20-1,404.86

Finding the Fourth Proportional to 3,743.74, 5,617.20 and 1,404.86

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Solution

The fourth proportional to 3,743.74, 5,617.20 and 1,404.86 is: 2,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.74 : 5,617.20 = 1,404.86 : x
  2. Step 2: Convert to fraction form
    3,743.74/5,617.20 = 1,404.86/x
  3. Step 3: Cross multiply
    3,743.74x = 5,617.20 × 1,404.86
  4. Step 4: Simplify right side
    3,743.74x = 7,891,380.47
  5. Step 5: Solve for x
    x = 7,891,380.47/3,743.74
  6. Step 6: Final answer
    x = 2,107.89

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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.