Home / 3,468.28-5,207.25-1,780.86

Finding the Fourth Proportional to 3,468.28, 5,207.25 and 1,780.86

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Solution

The fourth proportional to 3,468.28, 5,207.25 and 1,780.86 is: 2,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.28 : 5,207.25 = 1,780.86 : x
  2. Step 2: Convert to fraction form
    3,468.28/5,207.25 = 1,780.86/x
  3. Step 3: Cross multiply
    3,468.28x = 5,207.25 × 1,780.86
  4. Step 4: Simplify right side
    3,468.28x = 9,273,380.15
  5. Step 5: Solve for x
    x = 9,273,380.15/3,468.28
  6. Step 6: Final answer
    x = 2,673.77

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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.