Home / 3,919.98-5,876.25-1,454.16

Finding the Fourth Proportional to 3,919.98, 5,876.25 and 1,454.16

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Solution

The fourth proportional to 3,919.98, 5,876.25 and 1,454.16 is: 2,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.98 : 5,876.25 = 1,454.16 : x
  2. Step 2: Convert to fraction form
    3,919.98/5,876.25 = 1,454.16/x
  3. Step 3: Cross multiply
    3,919.98x = 5,876.25 × 1,454.16
  4. Step 4: Simplify right side
    3,919.98x = 8,545,007.70
  5. Step 5: Solve for x
    x = 8,545,007.70/3,919.98
  6. Step 6: Final answer
    x = 2,179.86

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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.