Home / 3,917.25-5,876.28-1,578.06

Finding the Fourth Proportional to 3,917.25, 5,876.28 and 1,578.06

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Solution

The fourth proportional to 3,917.25, 5,876.28 and 1,578.06 is: 2,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.25 : 5,876.28 = 1,578.06 : x
  2. Step 2: Convert to fraction form
    3,917.25/5,876.28 = 1,578.06/x
  3. Step 3: Cross multiply
    3,917.25x = 5,876.28 × 1,578.06
  4. Step 4: Simplify right side
    3,917.25x = 9,273,122.42
  5. Step 5: Solve for x
    x = 9,273,122.42/3,917.25
  6. Step 6: Final answer
    x = 2,367.25

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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.