Home / 2,789.26-4,177.04-1,324.88

Finding the Fourth Proportional to 2,789.26, 4,177.04 and 1,324.88

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Solution

The fourth proportional to 2,789.26, 4,177.04 and 1,324.88 is: 1,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.26 : 4,177.04 = 1,324.88 : x
  2. Step 2: Convert to fraction form
    2,789.26/4,177.04 = 1,324.88/x
  3. Step 3: Cross multiply
    2,789.26x = 4,177.04 × 1,324.88
  4. Step 4: Simplify right side
    2,789.26x = 5,534,059.18
  5. Step 5: Solve for x
    x = 5,534,059.18/2,789.26
  6. Step 6: Final answer
    x = 1,984.06

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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.