Home / 3,634.20-5,454.36-3,218.88

Finding the Fourth Proportional to 3,634.20, 5,454.36 and 3,218.88

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Solution

The fourth proportional to 3,634.20, 5,454.36 and 3,218.88 is: 4,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.20 : 5,454.36 = 3,218.88 : x
  2. Step 2: Convert to fraction form
    3,634.20/5,454.36 = 3,218.88/x
  3. Step 3: Cross multiply
    3,634.20x = 5,454.36 × 3,218.88
  4. Step 4: Simplify right side
    3,634.20x = 17,556,930.32
  5. Step 5: Solve for x
    x = 17,556,930.32/3,634.20
  6. Step 6: Final answer
    x = 4,831.03

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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.