Home / 2,723.82-4,086.66-1,080.90

Finding the Fourth Proportional to 2,723.82, 4,086.66 and 1,080.90

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Solution

The fourth proportional to 2,723.82, 4,086.66 and 1,080.90 is: 1,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.82 : 4,086.66 = 1,080.90 : x
  2. Step 2: Convert to fraction form
    2,723.82/4,086.66 = 1,080.90/x
  3. Step 3: Cross multiply
    2,723.82x = 4,086.66 × 1,080.90
  4. Step 4: Simplify right side
    2,723.82x = 4,417,270.79
  5. Step 5: Solve for x
    x = 4,417,270.79/2,723.82
  6. Step 6: Final answer
    x = 1,621.72

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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.