Home / 3,917.14-5,876.34-1,143.46

Finding the Fourth Proportional to 3,917.14, 5,876.34 and 1,143.46

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Solution

The fourth proportional to 3,917.14, 5,876.34 and 1,143.46 is: 1,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.14 : 5,876.34 = 1,143.46 : x
  2. Step 2: Convert to fraction form
    3,917.14/5,876.34 = 1,143.46/x
  3. Step 3: Cross multiply
    3,917.14x = 5,876.34 × 1,143.46
  4. Step 4: Simplify right side
    3,917.14x = 6,719,359.74
  5. Step 5: Solve for x
    x = 6,719,359.74/3,917.14
  6. Step 6: Final answer
    x = 1,715.37

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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.