Home / 3,617.15-5,425.72-3,432.47

Finding the Fourth Proportional to 3,617.15, 5,425.72 and 3,432.47

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Solution

The fourth proportional to 3,617.15, 5,425.72 and 3,432.47 is: 5,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.15 : 5,425.72 = 3,432.47 : x
  2. Step 2: Convert to fraction form
    3,617.15/5,425.72 = 3,432.47/x
  3. Step 3: Cross multiply
    3,617.15x = 5,425.72 × 3,432.47
  4. Step 4: Simplify right side
    3,617.15x = 18,623,621.13
  5. Step 5: Solve for x
    x = 18,623,621.13/3,617.15
  6. Step 6: Final answer
    x = 5,148.70

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1.5x scale

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.