Home / 1,144.46-1,718.31-1,092.26

Finding the Fourth Proportional to 1,144.46, 1,718.31 and 1,092.26

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Solution

The fourth proportional to 1,144.46, 1,718.31 and 1,092.26 is: 1,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.46 : 1,718.31 = 1,092.26 : x
  2. Step 2: Convert to fraction form
    1,144.46/1,718.31 = 1,092.26/x
  3. Step 3: Cross multiply
    1,144.46x = 1,718.31 × 1,092.26
  4. Step 4: Simplify right side
    1,144.46x = 1,876,841.28
  5. Step 5: Solve for x
    x = 1,876,841.28/1,144.46
  6. Step 6: Final answer
    x = 1,639.94

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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.