Home / 2,748.52-3,793.78-1,964.84

Finding the Fourth Proportional to 2,748.52, 3,793.78 and 1,964.84

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Solution

The fourth proportional to 2,748.52, 3,793.78 and 1,964.84 is: 2,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.52 : 3,793.78 = 1,964.84 : x
  2. Step 2: Convert to fraction form
    2,748.52/3,793.78 = 1,964.84/x
  3. Step 3: Cross multiply
    2,748.52x = 3,793.78 × 1,964.84
  4. Step 4: Simplify right side
    2,748.52x = 7,454,170.70
  5. Step 5: Solve for x
    x = 7,454,170.70/2,748.52
  6. Step 6: Final answer
    x = 2,712.07

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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.