Home / 2,879.41-4,319.11-1,149.25

Finding the Fourth Proportional to 2,879.41, 4,319.11 and 1,149.25

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Solution

The fourth proportional to 2,879.41, 4,319.11 and 1,149.25 is: 1,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.41 : 4,319.11 = 1,149.25 : x
  2. Step 2: Convert to fraction form
    2,879.41/4,319.11 = 1,149.25/x
  3. Step 3: Cross multiply
    2,879.41x = 4,319.11 × 1,149.25
  4. Step 4: Simplify right side
    2,879.41x = 4,963,737.17
  5. Step 5: Solve for x
    x = 4,963,737.17/2,879.41
  6. Step 6: Final answer
    x = 1,723.87

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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.