Home / 3,182.13-4,768.56-2,791.17

Finding the Fourth Proportional to 3,182.13, 4,768.56 and 2,791.17

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Solution

The fourth proportional to 3,182.13, 4,768.56 and 2,791.17 is: 4,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.13 : 4,768.56 = 2,791.17 : x
  2. Step 2: Convert to fraction form
    3,182.13/4,768.56 = 2,791.17/x
  3. Step 3: Cross multiply
    3,182.13x = 4,768.56 × 2,791.17
  4. Step 4: Simplify right side
    3,182.13x = 13,309,861.62
  5. Step 5: Solve for x
    x = 13,309,861.62/3,182.13
  6. Step 6: Final answer
    x = 4,182.69

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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.