Home / 3,272.42-4,909.32-1,324.62

Finding the Fourth Proportional to 3,272.42, 4,909.32 and 1,324.62

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Solution

The fourth proportional to 3,272.42, 4,909.32 and 1,324.62 is: 1,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.42 : 4,909.32 = 1,324.62 : x
  2. Step 2: Convert to fraction form
    3,272.42/4,909.32 = 1,324.62/x
  3. Step 3: Cross multiply
    3,272.42x = 4,909.32 × 1,324.62
  4. Step 4: Simplify right side
    3,272.42x = 6,502,983.46
  5. Step 5: Solve for x
    x = 6,502,983.46/3,272.42
  6. Step 6: Final answer
    x = 1,987.21

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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.