Home / 3,937.38-5,904.27-1,339.62

Finding the Fourth Proportional to 3,937.38, 5,904.27 and 1,339.62

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Solution

The fourth proportional to 3,937.38, 5,904.27 and 1,339.62 is: 2,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.38 : 5,904.27 = 1,339.62 : x
  2. Step 2: Convert to fraction form
    3,937.38/5,904.27 = 1,339.62/x
  3. Step 3: Cross multiply
    3,937.38x = 5,904.27 × 1,339.62
  4. Step 4: Simplify right side
    3,937.38x = 7,909,478.18
  5. Step 5: Solve for x
    x = 7,909,478.18/3,937.38
  6. Step 6: Final answer
    x = 2,008.82

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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.