Home / 1,432.24-2,149.08-1,067.76

Finding the Fourth Proportional to 1,432.24, 2,149.08 and 1,067.76

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Solution

The fourth proportional to 1,432.24, 2,149.08 and 1,067.76 is: 1,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.24 : 2,149.08 = 1,067.76 : x
  2. Step 2: Convert to fraction form
    1,432.24/2,149.08 = 1,067.76/x
  3. Step 3: Cross multiply
    1,432.24x = 2,149.08 × 1,067.76
  4. Step 4: Simplify right side
    1,432.24x = 2,294,701.66
  5. Step 5: Solve for x
    x = 2,294,701.66/1,432.24
  6. Step 6: Final answer
    x = 1,602.18

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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.