Home / 3,825.91-5,279.81-2,254

Finding the Fourth Proportional to 3,825.91, 5,279.81 and 2,254

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Solution

The fourth proportional to 3,825.91, 5,279.81 and 2,254 is: 3,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.91 : 5,279.81 = 2,254 : x
  2. Step 2: Convert to fraction form
    3,825.91/5,279.81 = 2,254/x
  3. Step 3: Cross multiply
    3,825.91x = 5,279.81 × 2,254
  4. Step 4: Simplify right side
    3,825.91x = 11,900,691.74
  5. Step 5: Solve for x
    x = 11,900,691.74/3,825.91
  6. Step 6: Final answer
    x = 3,110.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.