Home / 3,917.28-5,874.69-1,144.14

Finding the Fourth Proportional to 3,917.28, 5,874.69 and 1,144.14

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Solution

The fourth proportional to 3,917.28, 5,874.69 and 1,144.14 is: 1,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.28 : 5,874.69 = 1,144.14 : x
  2. Step 2: Convert to fraction form
    3,917.28/5,874.69 = 1,144.14/x
  3. Step 3: Cross multiply
    3,917.28x = 5,874.69 × 1,144.14
  4. Step 4: Simplify right side
    3,917.28x = 6,721,467.82
  5. Step 5: Solve for x
    x = 6,721,467.82/3,917.28
  6. Step 6: Final answer
    x = 1,715.85

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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.