Home / 3,439.97-5,160.29-1,248.87

Finding the Fourth Proportional to 3,439.97, 5,160.29 and 1,248.87

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Solution

The fourth proportional to 3,439.97, 5,160.29 and 1,248.87 is: 1,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.97 : 5,160.29 = 1,248.87 : x
  2. Step 2: Convert to fraction form
    3,439.97/5,160.29 = 1,248.87/x
  3. Step 3: Cross multiply
    3,439.97x = 5,160.29 × 1,248.87
  4. Step 4: Simplify right side
    3,439.97x = 6,444,499.33
  5. Step 5: Solve for x
    x = 6,444,499.33/3,439.97
  6. Step 6: Final answer
    x = 1,873.42

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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.