Home / 3,279.30-4,525.11-1,934.88

Finding the Fourth Proportional to 3,279.30, 4,525.11 and 1,934.88

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Solution

The fourth proportional to 3,279.30, 4,525.11 and 1,934.88 is: 2,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.30 : 4,525.11 = 1,934.88 : x
  2. Step 2: Convert to fraction form
    3,279.30/4,525.11 = 1,934.88/x
  3. Step 3: Cross multiply
    3,279.30x = 4,525.11 × 1,934.88
  4. Step 4: Simplify right side
    3,279.30x = 8,755,544.84
  5. Step 5: Solve for x
    x = 8,755,544.84/3,279.30
  6. Step 6: Final answer
    x = 2,669.94

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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.