Home / 3,272.28-4,514.54-2,153.86

Finding the Fourth Proportional to 3,272.28, 4,514.54 and 2,153.86

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Solution

The fourth proportional to 3,272.28, 4,514.54 and 2,153.86 is: 2,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.28 : 4,514.54 = 2,153.86 : x
  2. Step 2: Convert to fraction form
    3,272.28/4,514.54 = 2,153.86/x
  3. Step 3: Cross multiply
    3,272.28x = 4,514.54 × 2,153.86
  4. Step 4: Simplify right side
    3,272.28x = 9,723,687.12
  5. Step 5: Solve for x
    x = 9,723,687.12/3,272.28
  6. Step 6: Final answer
    x = 2,971.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.