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Finding the Fourth Proportional to 3,272.64, 4,514.64 and 1,945.92

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Solution

The fourth proportional to 3,272.64, 4,514.64 and 1,945.92 is: 2,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.64 : 4,514.64 = 1,945.92 : x
  2. Step 2: Convert to fraction form
    3,272.64/4,514.64 = 1,945.92/x
  3. Step 3: Cross multiply
    3,272.64x = 4,514.64 × 1,945.92
  4. Step 4: Simplify right side
    3,272.64x = 8,785,128.27
  5. Step 5: Solve for x
    x = 8,785,128.27/3,272.64
  6. Step 6: Final answer
    x = 2,684.42

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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.