Home / 3,226.30-4,827.30-2,132.80

Finding the Fourth Proportional to 3,226.30, 4,827.30 and 2,132.80

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Solution

The fourth proportional to 3,226.30, 4,827.30 and 2,132.80 is: 3,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.30 : 4,827.30 = 2,132.80 : x
  2. Step 2: Convert to fraction form
    3,226.30/4,827.30 = 2,132.80/x
  3. Step 3: Cross multiply
    3,226.30x = 4,827.30 × 2,132.80
  4. Step 4: Simplify right side
    3,226.30x = 10,295,665.44
  5. Step 5: Solve for x
    x = 10,295,665.44/3,226.30
  6. Step 6: Final answer
    x = 3,191.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.