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Finding the Fourth Proportional to 3,232.02, 4,459.87 and 1,815.87

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Solution

The fourth proportional to 3,232.02, 4,459.87 and 1,815.87 is: 2,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.02 : 4,459.87 = 1,815.87 : x
  2. Step 2: Convert to fraction form
    3,232.02/4,459.87 = 1,815.87/x
  3. Step 3: Cross multiply
    3,232.02x = 4,459.87 × 1,815.87
  4. Step 4: Simplify right side
    3,232.02x = 8,098,550.75
  5. Step 5: Solve for x
    x = 8,098,550.75/3,232.02
  6. Step 6: Final answer
    x = 2,505.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.