Home / 1,151.24-1,718.49-1,005.44

Finding the Fourth Proportional to 1,151.24, 1,718.49 and 1,005.44

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Solution

The fourth proportional to 1,151.24, 1,718.49 and 1,005.44 is: 1,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.24 : 1,718.49 = 1,005.44 : x
  2. Step 2: Convert to fraction form
    1,151.24/1,718.49 = 1,005.44/x
  3. Step 3: Cross multiply
    1,151.24x = 1,718.49 × 1,005.44
  4. Step 4: Simplify right side
    1,151.24x = 1,727,833.56
  5. Step 5: Solve for x
    x = 1,727,833.56/1,151.24
  6. Step 6: Final answer
    x = 1,500.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.