Home / 1,342.68-2,012.13-1,067.55

Finding the Fourth Proportional to 1,342.68, 2,012.13 and 1,067.55

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Solution

The fourth proportional to 1,342.68, 2,012.13 and 1,067.55 is: 1,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.68 : 2,012.13 = 1,067.55 : x
  2. Step 2: Convert to fraction form
    1,342.68/2,012.13 = 1,067.55/x
  3. Step 3: Cross multiply
    1,342.68x = 2,012.13 × 1,067.55
  4. Step 4: Simplify right side
    1,342.68x = 2,148,049.38
  5. Step 5: Solve for x
    x = 2,148,049.38/1,342.68
  6. Step 6: Final answer
    x = 1,599.82

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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.