Home / 2,722.25-4,082.67-1,161.47

Finding the Fourth Proportional to 2,722.25, 4,082.67 and 1,161.47

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Solution

The fourth proportional to 2,722.25, 4,082.67 and 1,161.47 is: 1,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.25 : 4,082.67 = 1,161.47 : x
  2. Step 2: Convert to fraction form
    2,722.25/4,082.67 = 1,161.47/x
  3. Step 3: Cross multiply
    2,722.25x = 4,082.67 × 1,161.47
  4. Step 4: Simplify right side
    2,722.25x = 4,741,878.31
  5. Step 5: Solve for x
    x = 4,741,878.31/2,722.25
  6. Step 6: Final answer
    x = 1,741.90

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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.