Home / 3,834.68-5,290.56-2,240.96

Finding the Fourth Proportional to 3,834.68, 5,290.56 and 2,240.96

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Solution

The fourth proportional to 3,834.68, 5,290.56 and 2,240.96 is: 3,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.68 : 5,290.56 = 2,240.96 : x
  2. Step 2: Convert to fraction form
    3,834.68/5,290.56 = 2,240.96/x
  3. Step 3: Cross multiply
    3,834.68x = 5,290.56 × 2,240.96
  4. Step 4: Simplify right side
    3,834.68x = 11,855,906.88
  5. Step 5: Solve for x
    x = 11,855,906.88/3,834.68
  6. Step 6: Final answer
    x = 3,091.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.