Home / 2,414.28-3,331.32-1,366.20

Finding the Fourth Proportional to 2,414.28, 3,331.32 and 1,366.20

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Solution

The fourth proportional to 2,414.28, 3,331.32 and 1,366.20 is: 1,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.28 : 3,331.32 = 1,366.20 : x
  2. Step 2: Convert to fraction form
    2,414.28/3,331.32 = 1,366.20/x
  3. Step 3: Cross multiply
    2,414.28x = 3,331.32 × 1,366.20
  4. Step 4: Simplify right side
    2,414.28x = 4,551,249.38
  5. Step 5: Solve for x
    x = 4,551,249.38/2,414.28
  6. Step 6: Final answer
    x = 1,885.14

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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.