Home / 3,785.28-5,677.97-2,141.99

Finding the Fourth Proportional to 3,785.28, 5,677.97 and 2,141.99

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Solution

The fourth proportional to 3,785.28, 5,677.97 and 2,141.99 is: 3,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.28 : 5,677.97 = 2,141.99 : x
  2. Step 2: Convert to fraction form
    3,785.28/5,677.97 = 2,141.99/x
  3. Step 3: Cross multiply
    3,785.28x = 5,677.97 × 2,141.99
  4. Step 4: Simplify right side
    3,785.28x = 12,162,169.16
  5. Step 5: Solve for x
    x = 12,162,169.16/3,785.28
  6. Step 6: Final answer
    x = 3,213.02

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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.