Home / 1,744.15-2,616.09-819.91

Finding the Fourth Proportional to 1,744.15, 2,616.09 and 819.91

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Solution

The fourth proportional to 1,744.15, 2,616.09 and 819.91 is: 1,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.15 : 2,616.09 = 819.91 : x
  2. Step 2: Convert to fraction form
    1,744.15/2,616.09 = 819.91/x
  3. Step 3: Cross multiply
    1,744.15x = 2,616.09 × 819.91
  4. Step 4: Simplify right side
    1,744.15x = 2,144,958.35
  5. Step 5: Solve for x
    x = 2,144,958.35/1,744.15
  6. Step 6: Final answer
    x = 1,229.80

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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.