Home / 2,722.82-4,084.22-1,079.26

Finding the Fourth Proportional to 2,722.82, 4,084.22 and 1,079.26

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Solution

The fourth proportional to 2,722.82, 4,084.22 and 1,079.26 is: 1,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.82 : 4,084.22 = 1,079.26 : x
  2. Step 2: Convert to fraction form
    2,722.82/4,084.22 = 1,079.26/x
  3. Step 3: Cross multiply
    2,722.82x = 4,084.22 × 1,079.26
  4. Step 4: Simplify right side
    2,722.82x = 4,407,945.00
  5. Step 5: Solve for x
    x = 4,407,945.00/2,722.82
  6. Step 6: Final answer
    x = 1,618.89

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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.