Home / 3,067.60-4,601.40-2,581.60

Finding the Fourth Proportional to 3,067.60, 4,601.40 and 2,581.60

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Solution

The fourth proportional to 3,067.60, 4,601.40 and 2,581.60 is: 3,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.60 : 4,601.40 = 2,581.60 : x
  2. Step 2: Convert to fraction form
    3,067.60/4,601.40 = 2,581.60/x
  3. Step 3: Cross multiply
    3,067.60x = 4,601.40 × 2,581.60
  4. Step 4: Simplify right side
    3,067.60x = 11,878,974.24
  5. Step 5: Solve for x
    x = 11,878,974.24/3,067.60
  6. Step 6: Final answer
    x = 3,872.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.