Home / 1,083.38-1,495.46-1,001.57

Finding the Fourth Proportional to 1,083.38, 1,495.46 and 1,001.57

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Solution

The fourth proportional to 1,083.38, 1,495.46 and 1,001.57 is: 1,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.38 : 1,495.46 = 1,001.57 : x
  2. Step 2: Convert to fraction form
    1,083.38/1,495.46 = 1,001.57/x
  3. Step 3: Cross multiply
    1,083.38x = 1,495.46 × 1,001.57
  4. Step 4: Simplify right side
    1,083.38x = 1,497,802.90
  5. Step 5: Solve for x
    x = 1,497,802.90/1,083.38
  6. Step 6: Final answer
    x = 1,382.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.