Home / 3,454.38-5,179.14-1,604.34

Finding the Fourth Proportional to 3,454.38, 5,179.14 and 1,604.34

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Solution

The fourth proportional to 3,454.38, 5,179.14 and 1,604.34 is: 2,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.38 : 5,179.14 = 1,604.34 : x
  2. Step 2: Convert to fraction form
    3,454.38/5,179.14 = 1,604.34/x
  3. Step 3: Cross multiply
    3,454.38x = 5,179.14 × 1,604.34
  4. Step 4: Simplify right side
    3,454.38x = 8,309,101.47
  5. Step 5: Solve for x
    x = 8,309,101.47/3,454.38
  6. Step 6: Final answer
    x = 2,405.38

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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.