Home / 2,720.75-4,082.66-1,160.60

Finding the Fourth Proportional to 2,720.75, 4,082.66 and 1,160.60

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Solution

The fourth proportional to 2,720.75, 4,082.66 and 1,160.60 is: 1,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.75 : 4,082.66 = 1,160.60 : x
  2. Step 2: Convert to fraction form
    2,720.75/4,082.66 = 1,160.60/x
  3. Step 3: Cross multiply
    2,720.75x = 4,082.66 × 1,160.60
  4. Step 4: Simplify right side
    2,720.75x = 4,738,348.60
  5. Step 5: Solve for x
    x = 4,738,348.60/2,720.75
  6. Step 6: Final answer
    x = 1,741.56

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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.