Home / 3,937.36-5,432.44-2,540.92

Finding the Fourth Proportional to 3,937.36, 5,432.44 and 2,540.92

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Solution

The fourth proportional to 3,937.36, 5,432.44 and 2,540.92 is: 3,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.36 : 5,432.44 = 2,540.92 : x
  2. Step 2: Convert to fraction form
    3,937.36/5,432.44 = 2,540.92/x
  3. Step 3: Cross multiply
    3,937.36x = 5,432.44 × 2,540.92
  4. Step 4: Simplify right side
    3,937.36x = 13,803,395.44
  5. Step 5: Solve for x
    x = 13,803,395.44/3,937.36
  6. Step 6: Final answer
    x = 3,505.75

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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.