Home / 1,612.29-2,422.49-1,027.55

Finding the Fourth Proportional to 1,612.29, 2,422.49 and 1,027.55

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Solution

The fourth proportional to 1,612.29, 2,422.49 and 1,027.55 is: 1,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.29 : 2,422.49 = 1,027.55 : x
  2. Step 2: Convert to fraction form
    1,612.29/2,422.49 = 1,027.55/x
  3. Step 3: Cross multiply
    1,612.29x = 2,422.49 × 1,027.55
  4. Step 4: Simplify right side
    1,612.29x = 2,489,212.35
  5. Step 5: Solve for x
    x = 2,489,212.35/1,612.29
  6. Step 6: Final answer
    x = 1,543.90

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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.