Home / 3,286.80-4,534.08-2,224.60

Finding the Fourth Proportional to 3,286.80, 4,534.08 and 2,224.60

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Solution

The fourth proportional to 3,286.80, 4,534.08 and 2,224.60 is: 3,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.80 : 4,534.08 = 2,224.60 : x
  2. Step 2: Convert to fraction form
    3,286.80/4,534.08 = 2,224.60/x
  3. Step 3: Cross multiply
    3,286.80x = 4,534.08 × 2,224.60
  4. Step 4: Simplify right side
    3,286.80x = 10,086,514.37
  5. Step 5: Solve for x
    x = 10,086,514.37/3,286.80
  6. Step 6: Final answer
    x = 3,068.79

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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.