Home / 2,179.11-3,265.79-1,022.43

Finding the Fourth Proportional to 2,179.11, 3,265.79 and 1,022.43

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Solution

The fourth proportional to 2,179.11, 3,265.79 and 1,022.43 is: 1,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.11 : 3,265.79 = 1,022.43 : x
  2. Step 2: Convert to fraction form
    2,179.11/3,265.79 = 1,022.43/x
  3. Step 3: Cross multiply
    2,179.11x = 3,265.79 × 1,022.43
  4. Step 4: Simplify right side
    2,179.11x = 3,339,036.56
  5. Step 5: Solve for x
    x = 3,339,036.56/2,179.11
  6. Step 6: Final answer
    x = 1,532.29

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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.