Home / 1,642.43-2,265.90-1,083.17

Finding the Fourth Proportional to 1,642.43, 2,265.90 and 1,083.17

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Solution

The fourth proportional to 1,642.43, 2,265.90 and 1,083.17 is: 1,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.43 : 2,265.90 = 1,083.17 : x
  2. Step 2: Convert to fraction form
    1,642.43/2,265.90 = 1,083.17/x
  3. Step 3: Cross multiply
    1,642.43x = 2,265.90 × 1,083.17
  4. Step 4: Simplify right side
    1,642.43x = 2,454,343.57
  5. Step 5: Solve for x
    x = 2,454,343.57/1,642.43
  6. Step 6: Final answer
    x = 1,494.34

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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.