Home / 2,720.46-4,081.20-1,160.44

Finding the Fourth Proportional to 2,720.46, 4,081.20 and 1,160.44

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Solution

The fourth proportional to 2,720.46, 4,081.20 and 1,160.44 is: 1,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.46 : 4,081.20 = 1,160.44 : x
  2. Step 2: Convert to fraction form
    2,720.46/4,081.20 = 1,160.44/x
  3. Step 3: Cross multiply
    2,720.46x = 4,081.20 × 1,160.44
  4. Step 4: Simplify right side
    2,720.46x = 4,735,987.73
  5. Step 5: Solve for x
    x = 4,735,987.73/2,720.46
  6. Step 6: Final answer
    x = 1,740.88

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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.