Home / 2,744.91-3,788.39-2,080.67

Finding the Fourth Proportional to 2,744.91, 3,788.39 and 2,080.67

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Solution

The fourth proportional to 2,744.91, 3,788.39 and 2,080.67 is: 2,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.91 : 3,788.39 = 2,080.67 : x
  2. Step 2: Convert to fraction form
    2,744.91/3,788.39 = 2,080.67/x
  3. Step 3: Cross multiply
    2,744.91x = 3,788.39 × 2,080.67
  4. Step 4: Simplify right side
    2,744.91x = 7,882,375.68
  5. Step 5: Solve for x
    x = 7,882,375.68/2,744.91
  6. Step 6: Final answer
    x = 2,871.63

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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.