Home / 3,380.36-5,067.14-1,622.82

Finding the Fourth Proportional to 3,380.36, 5,067.14 and 1,622.82

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Solution

The fourth proportional to 3,380.36, 5,067.14 and 1,622.82 is: 2,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.36 : 5,067.14 = 1,622.82 : x
  2. Step 2: Convert to fraction form
    3,380.36/5,067.14 = 1,622.82/x
  3. Step 3: Cross multiply
    3,380.36x = 5,067.14 × 1,622.82
  4. Step 4: Simplify right side
    3,380.36x = 8,223,056.13
  5. Step 5: Solve for x
    x = 8,223,056.13/3,380.36
  6. Step 6: Final answer
    x = 2,432.60

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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.