Home / 3,823.64-5,276.86-2,251.86

Finding the Fourth Proportional to 3,823.64, 5,276.86 and 2,251.86

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Solution

The fourth proportional to 3,823.64, 5,276.86 and 2,251.86 is: 3,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.64 : 5,276.86 = 2,251.86 : x
  2. Step 2: Convert to fraction form
    3,823.64/5,276.86 = 2,251.86/x
  3. Step 3: Cross multiply
    3,823.64x = 5,276.86 × 2,251.86
  4. Step 4: Simplify right side
    3,823.64x = 11,882,749.96
  5. Step 5: Solve for x
    x = 11,882,749.96/3,823.64
  6. Step 6: Final answer
    x = 3,107.71

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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.