Home / 2,794.30-3,882.87-2,763.92

Finding the Fourth Proportional to 2,794.30, 3,882.87 and 2,763.92

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Solution

The fourth proportional to 2,794.30, 3,882.87 and 2,763.92 is: 3,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.30 : 3,882.87 = 2,763.92 : x
  2. Step 2: Convert to fraction form
    2,794.30/3,882.87 = 2,763.92/x
  3. Step 3: Cross multiply
    2,794.30x = 3,882.87 × 2,763.92
  4. Step 4: Simplify right side
    2,794.30x = 10,731,942.05
  5. Step 5: Solve for x
    x = 10,731,942.05/2,794.30
  6. Step 6: Final answer
    x = 3,840.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.