Home / 2,766.94-3,819.78-1,823.35

Finding the Fourth Proportional to 2,766.94, 3,819.78 and 1,823.35

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Solution

The fourth proportional to 2,766.94, 3,819.78 and 1,823.35 is: 2,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.94 : 3,819.78 = 1,823.35 : x
  2. Step 2: Convert to fraction form
    2,766.94/3,819.78 = 1,823.35/x
  3. Step 3: Cross multiply
    2,766.94x = 3,819.78 × 1,823.35
  4. Step 4: Simplify right side
    2,766.94x = 6,964,795.86
  5. Step 5: Solve for x
    x = 6,964,795.86/2,766.94
  6. Step 6: Final answer
    x = 2,517.15

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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.