Home / 2,722.39-4,079.99-1,078.04

Finding the Fourth Proportional to 2,722.39, 4,079.99 and 1,078.04

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Solution

The fourth proportional to 2,722.39, 4,079.99 and 1,078.04 is: 1,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.39 : 4,079.99 = 1,078.04 : x
  2. Step 2: Convert to fraction form
    2,722.39/4,079.99 = 1,078.04/x
  3. Step 3: Cross multiply
    2,722.39x = 4,079.99 × 1,078.04
  4. Step 4: Simplify right side
    2,722.39x = 4,398,375.11
  5. Step 5: Solve for x
    x = 4,398,375.11/2,722.39
  6. Step 6: Final answer
    x = 1,615.63

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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.