Home / 3,324.11-4,987.20-984.11

Finding the Fourth Proportional to 3,324.11, 4,987.20 and 984.11

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Solution

The fourth proportional to 3,324.11, 4,987.20 and 984.11 is: 1,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.11 : 4,987.20 = 984.11 : x
  2. Step 2: Convert to fraction form
    3,324.11/4,987.20 = 984.11/x
  3. Step 3: Cross multiply
    3,324.11x = 4,987.20 × 984.11
  4. Step 4: Simplify right side
    3,324.11x = 4,907,932.15
  5. Step 5: Solve for x
    x = 4,907,932.15/3,324.11
  6. Step 6: Final answer
    x = 1,476.47

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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.