Home / 3,876.60-5,349.44-2,304.40

Finding the Fourth Proportional to 3,876.60, 5,349.44 and 2,304.40

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Solution

The fourth proportional to 3,876.60, 5,349.44 and 2,304.40 is: 3,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.60 : 5,349.44 = 2,304.40 : x
  2. Step 2: Convert to fraction form
    3,876.60/5,349.44 = 2,304.40/x
  3. Step 3: Cross multiply
    3,876.60x = 5,349.44 × 2,304.40
  4. Step 4: Simplify right side
    3,876.60x = 12,327,249.54
  5. Step 5: Solve for x
    x = 12,327,249.54/3,876.60
  6. Step 6: Final answer
    x = 3,179.91

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1.5x scale

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.