Home / 2,452.12-3,671.97-2,107.78

Finding the Fourth Proportional to 2,452.12, 3,671.97 and 2,107.78

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Solution

The fourth proportional to 2,452.12, 3,671.97 and 2,107.78 is: 3,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.12 : 3,671.97 = 2,107.78 : x
  2. Step 2: Convert to fraction form
    2,452.12/3,671.97 = 2,107.78/x
  3. Step 3: Cross multiply
    2,452.12x = 3,671.97 × 2,107.78
  4. Step 4: Simplify right side
    2,452.12x = 7,739,704.93
  5. Step 5: Solve for x
    x = 7,739,704.93/2,452.12
  6. Step 6: Final answer
    x = 3,156.33

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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.