Home / 3,198.14-4,801.66-2,540.42

Finding the Fourth Proportional to 3,198.14, 4,801.66 and 2,540.42

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Solution

The fourth proportional to 3,198.14, 4,801.66 and 2,540.42 is: 3,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.14 : 4,801.66 = 2,540.42 : x
  2. Step 2: Convert to fraction form
    3,198.14/4,801.66 = 2,540.42/x
  3. Step 3: Cross multiply
    3,198.14x = 4,801.66 × 2,540.42
  4. Step 4: Simplify right side
    3,198.14x = 12,198,233.10
  5. Step 5: Solve for x
    x = 12,198,233.10/3,198.14
  6. Step 6: Final answer
    x = 3,814.16

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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.