Home / 3,286.38-4,535.20-2,447.80

Finding the Fourth Proportional to 3,286.38, 4,535.20 and 2,447.80

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Solution

The fourth proportional to 3,286.38, 4,535.20 and 2,447.80 is: 3,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.38 : 4,535.20 = 2,447.80 : x
  2. Step 2: Convert to fraction form
    3,286.38/4,535.20 = 2,447.80/x
  3. Step 3: Cross multiply
    3,286.38x = 4,535.20 × 2,447.80
  4. Step 4: Simplify right side
    3,286.38x = 11,101,262.56
  5. Step 5: Solve for x
    x = 11,101,262.56/3,286.38
  6. Step 6: Final answer
    x = 3,377.96

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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.