Home / 2,691.14-4,034.42-1,438.94

Finding the Fourth Proportional to 2,691.14, 4,034.42 and 1,438.94

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Solution

The fourth proportional to 2,691.14, 4,034.42 and 1,438.94 is: 2,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.14 : 4,034.42 = 1,438.94 : x
  2. Step 2: Convert to fraction form
    2,691.14/4,034.42 = 1,438.94/x
  3. Step 3: Cross multiply
    2,691.14x = 4,034.42 × 1,438.94
  4. Step 4: Simplify right side
    2,691.14x = 5,805,288.31
  5. Step 5: Solve for x
    x = 5,805,288.31/2,691.14
  6. Step 6: Final answer
    x = 2,157.19

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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.