Home / 3,272.74-4,514.91-1,945.72

Finding the Fourth Proportional to 3,272.74, 4,514.91 and 1,945.72

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Solution

The fourth proportional to 3,272.74, 4,514.91 and 1,945.72 is: 2,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.74 : 4,514.91 = 1,945.72 : x
  2. Step 2: Convert to fraction form
    3,272.74/4,514.91 = 1,945.72/x
  3. Step 3: Cross multiply
    3,272.74x = 4,514.91 × 1,945.72
  4. Step 4: Simplify right side
    3,272.74x = 8,784,750.69
  5. Step 5: Solve for x
    x = 8,784,750.69/3,272.74
  6. Step 6: Final answer
    x = 2,684.22

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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.