Home / 3,932.44-5,424.96-2,515.42

Finding the Fourth Proportional to 3,932.44, 5,424.96 and 2,515.42

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Solution

The fourth proportional to 3,932.44, 5,424.96 and 2,515.42 is: 3,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.44 : 5,424.96 = 2,515.42 : x
  2. Step 2: Convert to fraction form
    3,932.44/5,424.96 = 2,515.42/x
  3. Step 3: Cross multiply
    3,932.44x = 5,424.96 × 2,515.42
  4. Step 4: Simplify right side
    3,932.44x = 13,646,052.88
  5. Step 5: Solve for x
    x = 13,646,052.88/3,932.44
  6. Step 6: Final answer
    x = 3,470.12

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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.