Home / 3,184.38-4,398.57-2,447.42

Finding the Fourth Proportional to 3,184.38, 4,398.57 and 2,447.42

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Solution

The fourth proportional to 3,184.38, 4,398.57 and 2,447.42 is: 3,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.38 : 4,398.57 = 2,447.42 : x
  2. Step 2: Convert to fraction form
    3,184.38/4,398.57 = 2,447.42/x
  3. Step 3: Cross multiply
    3,184.38x = 4,398.57 × 2,447.42
  4. Step 4: Simplify right side
    3,184.38x = 10,765,126.20
  5. Step 5: Solve for x
    x = 10,765,126.20/3,184.38
  6. Step 6: Final answer
    x = 3,380.60

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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.