Home / 2,766.64-3,819.37-1,823.80

Finding the Fourth Proportional to 2,766.64, 3,819.37 and 1,823.80

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Solution

The fourth proportional to 2,766.64, 3,819.37 and 1,823.80 is: 2,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.64 : 3,819.37 = 1,823.80 : x
  2. Step 2: Convert to fraction form
    2,766.64/3,819.37 = 1,823.80/x
  3. Step 3: Cross multiply
    2,766.64x = 3,819.37 × 1,823.80
  4. Step 4: Simplify right side
    2,766.64x = 6,965,767.01
  5. Step 5: Solve for x
    x = 6,965,767.01/2,766.64
  6. Step 6: Final answer
    x = 2,517.77

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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.