Home / 3,414.41-5,123.61-1,439.92

Finding the Fourth Proportional to 3,414.41, 5,123.61 and 1,439.92

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Solution

The fourth proportional to 3,414.41, 5,123.61 and 1,439.92 is: 2,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.41 : 5,123.61 = 1,439.92 : x
  2. Step 2: Convert to fraction form
    3,414.41/5,123.61 = 1,439.92/x
  3. Step 3: Cross multiply
    3,414.41x = 5,123.61 × 1,439.92
  4. Step 4: Simplify right side
    3,414.41x = 7,377,588.51
  5. Step 5: Solve for x
    x = 7,377,588.51/3,414.41
  6. Step 6: Final answer
    x = 2,160.72

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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.