Home / 3,524.20-5,286.30-927.13

Finding the Fourth Proportional to 3,524.20, 5,286.30 and 927.13

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Solution

The fourth proportional to 3,524.20, 5,286.30 and 927.13 is: 1,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.20 : 5,286.30 = 927.13 : x
  2. Step 2: Convert to fraction form
    3,524.20/5,286.30 = 927.13/x
  3. Step 3: Cross multiply
    3,524.20x = 5,286.30 × 927.13
  4. Step 4: Simplify right side
    3,524.20x = 4,901,087.32
  5. Step 5: Solve for x
    x = 4,901,087.32/3,524.20
  6. Step 6: Final answer
    x = 1,390.70

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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.