Home / 2,728.20-4,093.68-1,169.22

Finding the Fourth Proportional to 2,728.20, 4,093.68 and 1,169.22

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Solution

The fourth proportional to 2,728.20, 4,093.68 and 1,169.22 is: 1,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.20 : 4,093.68 = 1,169.22 : x
  2. Step 2: Convert to fraction form
    2,728.20/4,093.68 = 1,169.22/x
  3. Step 3: Cross multiply
    2,728.20x = 4,093.68 × 1,169.22
  4. Step 4: Simplify right side
    2,728.20x = 4,786,412.53
  5. Step 5: Solve for x
    x = 4,786,412.53/2,728.20
  6. Step 6: Final answer
    x = 1,754.42

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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.