Home / 3,834.56-5,747.76-2,187.56

Finding the Fourth Proportional to 3,834.56, 5,747.76 and 2,187.56

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Solution

The fourth proportional to 3,834.56, 5,747.76 and 2,187.56 is: 3,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.56 : 5,747.76 = 2,187.56 : x
  2. Step 2: Convert to fraction form
    3,834.56/5,747.76 = 2,187.56/x
  3. Step 3: Cross multiply
    3,834.56x = 5,747.76 × 2,187.56
  4. Step 4: Simplify right side
    3,834.56x = 12,573,569.87
  5. Step 5: Solve for x
    x = 12,573,569.87/3,834.56
  6. Step 6: Final answer
    x = 3,279.01

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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.