Home / 1,160.97-1,742.09-1,151.55

Finding the Fourth Proportional to 1,160.97, 1,742.09 and 1,151.55

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Solution

The fourth proportional to 1,160.97, 1,742.09 and 1,151.55 is: 1,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.97 : 1,742.09 = 1,151.55 : x
  2. Step 2: Convert to fraction form
    1,160.97/1,742.09 = 1,151.55/x
  3. Step 3: Cross multiply
    1,160.97x = 1,742.09 × 1,151.55
  4. Step 4: Simplify right side
    1,160.97x = 2,006,103.74
  5. Step 5: Solve for x
    x = 2,006,103.74/1,160.97
  6. Step 6: Final answer
    x = 1,727.95

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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.