Home / 3,282.30-4,527.30-2,287.20

Finding the Fourth Proportional to 3,282.30, 4,527.30 and 2,287.20

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Solution

The fourth proportional to 3,282.30, 4,527.30 and 2,287.20 is: 3,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.30 : 4,527.30 = 2,287.20 : x
  2. Step 2: Convert to fraction form
    3,282.30/4,527.30 = 2,287.20/x
  3. Step 3: Cross multiply
    3,282.30x = 4,527.30 × 2,287.20
  4. Step 4: Simplify right side
    3,282.30x = 10,354,840.56
  5. Step 5: Solve for x
    x = 10,354,840.56/3,282.30
  6. Step 6: Final answer
    x = 3,154.75

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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.