Home / 3,439.40-5,125.21-3,327.89

Finding the Fourth Proportional to 3,439.40, 5,125.21 and 3,327.89

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Solution

The fourth proportional to 3,439.40, 5,125.21 and 3,327.89 is: 4,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.40 : 5,125.21 = 3,327.89 : x
  2. Step 2: Convert to fraction form
    3,439.40/5,125.21 = 3,327.89/x
  3. Step 3: Cross multiply
    3,439.40x = 5,125.21 × 3,327.89
  4. Step 4: Simplify right side
    3,439.40x = 17,056,101.16
  5. Step 5: Solve for x
    x = 17,056,101.16/3,439.40
  6. Step 6: Final answer
    x = 4,959.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.