Home / 2,722.67-4,082.38-1,079.99

Finding the Fourth Proportional to 2,722.67, 4,082.38 and 1,079.99

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Solution

The fourth proportional to 2,722.67, 4,082.38 and 1,079.99 is: 1,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.67 : 4,082.38 = 1,079.99 : x
  2. Step 2: Convert to fraction form
    2,722.67/4,082.38 = 1,079.99/x
  3. Step 3: Cross multiply
    2,722.67x = 4,082.38 × 1,079.99
  4. Step 4: Simplify right side
    2,722.67x = 4,408,929.58
  5. Step 5: Solve for x
    x = 4,408,929.58/2,722.67
  6. Step 6: Final answer
    x = 1,619.34

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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.