Home / 3,834.14-5,290.94-2,132.58

Finding the Fourth Proportional to 3,834.14, 5,290.94 and 2,132.58

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Solution

The fourth proportional to 3,834.14, 5,290.94 and 2,132.58 is: 2,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.14 : 5,290.94 = 2,132.58 : x
  2. Step 2: Convert to fraction form
    3,834.14/5,290.94 = 2,132.58/x
  3. Step 3: Cross multiply
    3,834.14x = 5,290.94 × 2,132.58
  4. Step 4: Simplify right side
    3,834.14x = 11,283,342.16
  5. Step 5: Solve for x
    x = 11,283,342.16/3,834.14
  6. Step 6: Final answer
    x = 2,942.87

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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.