Home / 3,942.11-5,442.65-2,452.05

Finding the Fourth Proportional to 3,942.11, 5,442.65 and 2,452.05

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Solution

The fourth proportional to 3,942.11, 5,442.65 and 2,452.05 is: 3,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.11 : 5,442.65 = 2,452.05 : x
  2. Step 2: Convert to fraction form
    3,942.11/5,442.65 = 2,452.05/x
  3. Step 3: Cross multiply
    3,942.11x = 5,442.65 × 2,452.05
  4. Step 4: Simplify right side
    3,942.11x = 13,345,649.93
  5. Step 5: Solve for x
    x = 13,345,649.93/3,942.11
  6. Step 6: Final answer
    x = 3,385.41

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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.