Home / 3,848.42-5,311.49-2,276.61

Finding the Fourth Proportional to 3,848.42, 5,311.49 and 2,276.61

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Solution

The fourth proportional to 3,848.42, 5,311.49 and 2,276.61 is: 3,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.42 : 5,311.49 = 2,276.61 : x
  2. Step 2: Convert to fraction form
    3,848.42/5,311.49 = 2,276.61/x
  3. Step 3: Cross multiply
    3,848.42x = 5,311.49 × 2,276.61
  4. Step 4: Simplify right side
    3,848.42x = 12,092,179.87
  5. Step 5: Solve for x
    x = 12,092,179.87/3,848.42
  6. Step 6: Final answer
    x = 3,142.12

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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.