Home / 2,744.05-3,785.91-1,680.71

Finding the Fourth Proportional to 2,744.05, 3,785.91 and 1,680.71

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Solution

The fourth proportional to 2,744.05, 3,785.91 and 1,680.71 is: 2,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.05 : 3,785.91 = 1,680.71 : x
  2. Step 2: Convert to fraction form
    2,744.05/3,785.91 = 1,680.71/x
  3. Step 3: Cross multiply
    2,744.05x = 3,785.91 × 1,680.71
  4. Step 4: Simplify right side
    2,744.05x = 6,363,016.80
  5. Step 5: Solve for x
    x = 6,363,016.80/2,744.05
  6. Step 6: Final answer
    x = 2,318.84

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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.