Home / 3,455.14-5,179.35-1,481.28

Finding the Fourth Proportional to 3,455.14, 5,179.35 and 1,481.28

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Solution

The fourth proportional to 3,455.14, 5,179.35 and 1,481.28 is: 2,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.14 : 5,179.35 = 1,481.28 : x
  2. Step 2: Convert to fraction form
    3,455.14/5,179.35 = 1,481.28/x
  3. Step 3: Cross multiply
    3,455.14x = 5,179.35 × 1,481.28
  4. Step 4: Simplify right side
    3,455.14x = 7,672,067.57
  5. Step 5: Solve for x
    x = 7,672,067.57/3,455.14
  6. Step 6: Final answer
    x = 2,220.48

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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.