Home / 3,966.82-5,474.14-2,198.42

Finding the Fourth Proportional to 3,966.82, 5,474.14 and 2,198.42

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Solution

The fourth proportional to 3,966.82, 5,474.14 and 2,198.42 is: 3,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.82 : 5,474.14 = 2,198.42 : x
  2. Step 2: Convert to fraction form
    3,966.82/5,474.14 = 2,198.42/x
  3. Step 3: Cross multiply
    3,966.82x = 5,474.14 × 2,198.42
  4. Step 4: Simplify right side
    3,966.82x = 12,034,458.86
  5. Step 5: Solve for x
    x = 12,034,458.86/3,966.82
  6. Step 6: Final answer
    x = 3,033.78

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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.