Home / 3,439.38-4,735.92-2,839.62

Finding the Fourth Proportional to 3,439.38, 4,735.92 and 2,839.62

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Solution

The fourth proportional to 3,439.38, 4,735.92 and 2,839.62 is: 3,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.38 : 4,735.92 = 2,839.62 : x
  2. Step 2: Convert to fraction form
    3,439.38/4,735.92 = 2,839.62/x
  3. Step 3: Cross multiply
    3,439.38x = 4,735.92 × 2,839.62
  4. Step 4: Simplify right side
    3,439.38x = 13,448,213.15
  5. Step 5: Solve for x
    x = 13,448,213.15/3,439.38
  6. Step 6: Final answer
    x = 3,910.07

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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.