Home / 2,567.20-3,850.80-1,251.04

Finding the Fourth Proportional to 2,567.20, 3,850.80 and 1,251.04

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Solution

The fourth proportional to 2,567.20, 3,850.80 and 1,251.04 is: 1,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.20 : 3,850.80 = 1,251.04 : x
  2. Step 2: Convert to fraction form
    2,567.20/3,850.80 = 1,251.04/x
  3. Step 3: Cross multiply
    2,567.20x = 3,850.80 × 1,251.04
  4. Step 4: Simplify right side
    2,567.20x = 4,817,504.83
  5. Step 5: Solve for x
    x = 4,817,504.83/2,567.20
  6. Step 6: Final answer
    x = 1,876.56

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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.