Home / 2,722.12-4,080.42-1,076.44

Finding the Fourth Proportional to 2,722.12, 4,080.42 and 1,076.44

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Solution

The fourth proportional to 2,722.12, 4,080.42 and 1,076.44 is: 1,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.12 : 4,080.42 = 1,076.44 : x
  2. Step 2: Convert to fraction form
    2,722.12/4,080.42 = 1,076.44/x
  3. Step 3: Cross multiply
    2,722.12x = 4,080.42 × 1,076.44
  4. Step 4: Simplify right side
    2,722.12x = 4,392,327.30
  5. Step 5: Solve for x
    x = 4,392,327.30/2,722.12
  6. Step 6: Final answer
    x = 1,613.57

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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.