Home / 3,951.28-5,453.84-2,337.60

Finding the Fourth Proportional to 3,951.28, 5,453.84 and 2,337.60

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Solution

The fourth proportional to 3,951.28, 5,453.84 and 2,337.60 is: 3,226.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.28 : 5,453.84 = 2,337.60 : x
  2. Step 2: Convert to fraction form
    3,951.28/5,453.84 = 2,337.60/x
  3. Step 3: Cross multiply
    3,951.28x = 5,453.84 × 2,337.60
  4. Step 4: Simplify right side
    3,951.28x = 12,748,896.38
  5. Step 5: Solve for x
    x = 12,748,896.38/3,951.28
  6. Step 6: Final answer
    x = 3,226.52

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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.