Home / 3,279.36-4,525.92-2,020.68

Finding the Fourth Proportional to 3,279.36, 4,525.92 and 2,020.68

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Solution

The fourth proportional to 3,279.36, 4,525.92 and 2,020.68 is: 2,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.36 : 4,525.92 = 2,020.68 : x
  2. Step 2: Convert to fraction form
    3,279.36/4,525.92 = 2,020.68/x
  3. Step 3: Cross multiply
    3,279.36x = 4,525.92 × 2,020.68
  4. Step 4: Simplify right side
    3,279.36x = 9,145,436.03
  5. Step 5: Solve for x
    x = 9,145,436.03/3,279.36
  6. Step 6: Final answer
    x = 2,788.79

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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.