Home / 2,723.66-4,086.85-1,080.17

Finding the Fourth Proportional to 2,723.66, 4,086.85 and 1,080.17

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Solution

The fourth proportional to 2,723.66, 4,086.85 and 1,080.17 is: 1,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.66 : 4,086.85 = 1,080.17 : x
  2. Step 2: Convert to fraction form
    2,723.66/4,086.85 = 1,080.17/x
  3. Step 3: Cross multiply
    2,723.66x = 4,086.85 × 1,080.17
  4. Step 4: Simplify right side
    2,723.66x = 4,414,500.28
  5. Step 5: Solve for x
    x = 4,414,500.28/2,723.66
  6. Step 6: Final answer
    x = 1,620.80

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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.