Home / 1,083.20-1,494.66-617.44

Finding the Fourth Proportional to 1,083.20, 1,494.66 and 617.44

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Solution

The fourth proportional to 1,083.20, 1,494.66 and 617.44 is: 851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.20 : 1,494.66 = 617.44 : x
  2. Step 2: Convert to fraction form
    1,083.20/1,494.66 = 617.44/x
  3. Step 3: Cross multiply
    1,083.20x = 1,494.66 × 617.44
  4. Step 4: Simplify right side
    1,083.20x = 922,862.87
  5. Step 5: Solve for x
    x = 922,862.87/1,083.20
  6. Step 6: Final answer
    x = 851.98

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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.