Home / 3,279.80-4,527.33-2,021.06

Finding the Fourth Proportional to 3,279.80, 4,527.33 and 2,021.06

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Solution

The fourth proportional to 3,279.80, 4,527.33 and 2,021.06 is: 2,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.80 : 4,527.33 = 2,021.06 : x
  2. Step 2: Convert to fraction form
    3,279.80/4,527.33 = 2,021.06/x
  3. Step 3: Cross multiply
    3,279.80x = 4,527.33 × 2,021.06
  4. Step 4: Simplify right side
    3,279.80x = 9,150,005.57
  5. Step 5: Solve for x
    x = 9,150,005.57/3,279.80
  6. Step 6: Final answer
    x = 2,789.81

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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.