Home / 3,272.96-4,909.94-1,324.72

Finding the Fourth Proportional to 3,272.96, 4,909.94 and 1,324.72

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Solution

The fourth proportional to 3,272.96, 4,909.94 and 1,324.72 is: 1,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.96 : 4,909.94 = 1,324.72 : x
  2. Step 2: Convert to fraction form
    3,272.96/4,909.94 = 1,324.72/x
  3. Step 3: Cross multiply
    3,272.96x = 4,909.94 × 1,324.72
  4. Step 4: Simplify right side
    3,272.96x = 6,504,295.72
  5. Step 5: Solve for x
    x = 6,504,295.72/3,272.96
  6. Step 6: Final answer
    x = 1,987.28

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1.5x scale

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.