Home / 3,966.28-5,939.70-2,730.22

Finding the Fourth Proportional to 3,966.28, 5,939.70 and 2,730.22

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Solution

The fourth proportional to 3,966.28, 5,939.70 and 2,730.22 is: 4,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.28 : 5,939.70 = 2,730.22 : x
  2. Step 2: Convert to fraction form
    3,966.28/5,939.70 = 2,730.22/x
  3. Step 3: Cross multiply
    3,966.28x = 5,939.70 × 2,730.22
  4. Step 4: Simplify right side
    3,966.28x = 16,216,687.73
  5. Step 5: Solve for x
    x = 16,216,687.73/3,966.28
  6. Step 6: Final answer
    x = 4,088.64

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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.