Home / 3,631.43-5,447.15-2,171.00

Finding the Fourth Proportional to 3,631.43, 5,447.15 and 2,171.00

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Solution

The fourth proportional to 3,631.43, 5,447.15 and 2,171.00 is: 3,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.43 : 5,447.15 = 2,171.00 : x
  2. Step 2: Convert to fraction form
    3,631.43/5,447.15 = 2,171.00/x
  3. Step 3: Cross multiply
    3,631.43x = 5,447.15 × 2,171.00
  4. Step 4: Simplify right side
    3,631.43x = 11,825,773.55
  5. Step 5: Solve for x
    x = 11,825,773.55/3,631.43
  6. Step 6: Final answer
    x = 3,256.50

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Half scale
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Double scale
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Similar ratio
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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.