Home / 3,902.32-5,387.16-3,016.12

Finding the Fourth Proportional to 3,902.32, 5,387.16 and 3,016.12

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Solution

The fourth proportional to 3,902.32, 5,387.16 and 3,016.12 is: 4,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.32 : 5,387.16 = 3,016.12 : x
  2. Step 2: Convert to fraction form
    3,902.32/5,387.16 = 3,016.12/x
  3. Step 3: Cross multiply
    3,902.32x = 5,387.16 × 3,016.12
  4. Step 4: Simplify right side
    3,902.32x = 16,248,321.02
  5. Step 5: Solve for x
    x = 16,248,321.02/3,902.32
  6. Step 6: Final answer
    x = 4,163.76

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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.