Home / 3,179.54-4,388.64-1,853.66

Finding the Fourth Proportional to 3,179.54, 4,388.64 and 1,853.66

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Solution

The fourth proportional to 3,179.54, 4,388.64 and 1,853.66 is: 2,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.54 : 4,388.64 = 1,853.66 : x
  2. Step 2: Convert to fraction form
    3,179.54/4,388.64 = 1,853.66/x
  3. Step 3: Cross multiply
    3,179.54x = 4,388.64 × 1,853.66
  4. Step 4: Simplify right side
    3,179.54x = 8,135,046.42
  5. Step 5: Solve for x
    x = 8,135,046.42/3,179.54
  6. Step 6: Final answer
    x = 2,558.56

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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.