Home / 3,827.76-5,282.08-2,255.92

Finding the Fourth Proportional to 3,827.76, 5,282.08 and 2,255.92

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Solution

The fourth proportional to 3,827.76, 5,282.08 and 2,255.92 is: 3,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.76 : 5,282.08 = 2,255.92 : x
  2. Step 2: Convert to fraction form
    3,827.76/5,282.08 = 2,255.92/x
  3. Step 3: Cross multiply
    3,827.76x = 5,282.08 × 2,255.92
  4. Step 4: Simplify right side
    3,827.76x = 11,915,949.91
  5. Step 5: Solve for x
    x = 11,915,949.91/3,827.76
  6. Step 6: Final answer
    x = 3,113.03

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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.