Home / 2,668.30-4,002.45-1,744.29

Finding the Fourth Proportional to 2,668.30, 4,002.45 and 1,744.29

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Solution

The fourth proportional to 2,668.30, 4,002.45 and 1,744.29 is: 2,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.30 : 4,002.45 = 1,744.29 : x
  2. Step 2: Convert to fraction form
    2,668.30/4,002.45 = 1,744.29/x
  3. Step 3: Cross multiply
    2,668.30x = 4,002.45 × 1,744.29
  4. Step 4: Simplify right side
    2,668.30x = 6,981,426.97
  5. Step 5: Solve for x
    x = 6,981,426.97/2,668.30
  6. Step 6: Final answer
    x = 2,616.44

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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.