Home / 3,149.28-4,726.44-1,418.04

Finding the Fourth Proportional to 3,149.28, 4,726.44 and 1,418.04

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Solution

The fourth proportional to 3,149.28, 4,726.44 and 1,418.04 is: 2,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.28 : 4,726.44 = 1,418.04 : x
  2. Step 2: Convert to fraction form
    3,149.28/4,726.44 = 1,418.04/x
  3. Step 3: Cross multiply
    3,149.28x = 4,726.44 × 1,418.04
  4. Step 4: Simplify right side
    3,149.28x = 6,702,280.98
  5. Step 5: Solve for x
    x = 6,702,280.98/3,149.28
  6. Step 6: Final answer
    x = 2,128.19

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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.