Home / 3,043.28-4,201.80-2,382.80

Finding the Fourth Proportional to 3,043.28, 4,201.80 and 2,382.80

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Solution

The fourth proportional to 3,043.28, 4,201.80 and 2,382.80 is: 3,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.28 : 4,201.80 = 2,382.80 : x
  2. Step 2: Convert to fraction form
    3,043.28/4,201.80 = 2,382.80/x
  3. Step 3: Cross multiply
    3,043.28x = 4,201.80 × 2,382.80
  4. Step 4: Simplify right side
    3,043.28x = 10,012,049.04
  5. Step 5: Solve for x
    x = 10,012,049.04/3,043.28
  6. Step 6: Final answer
    x = 3,289.89

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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.