Home / 3,832.78-5,743.68-2,185.92

Finding the Fourth Proportional to 3,832.78, 5,743.68 and 2,185.92

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Solution

The fourth proportional to 3,832.78, 5,743.68 and 2,185.92 is: 3,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.78 : 5,743.68 = 2,185.92 : x
  2. Step 2: Convert to fraction form
    3,832.78/5,743.68 = 2,185.92/x
  3. Step 3: Cross multiply
    3,832.78x = 5,743.68 × 2,185.92
  4. Step 4: Simplify right side
    3,832.78x = 12,555,224.99
  5. Step 5: Solve for x
    x = 12,555,224.99/3,832.78
  6. Step 6: Final answer
    x = 3,275.75

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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.