Home / 3,268.97-4,920.92-2,816.84

Finding the Fourth Proportional to 3,268.97, 4,920.92 and 2,816.84

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Solution

The fourth proportional to 3,268.97, 4,920.92 and 2,816.84 is: 4,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.97 : 4,920.92 = 2,816.84 : x
  2. Step 2: Convert to fraction form
    3,268.97/4,920.92 = 2,816.84/x
  3. Step 3: Cross multiply
    3,268.97x = 4,920.92 × 2,816.84
  4. Step 4: Simplify right side
    3,268.97x = 13,861,405.60
  5. Step 5: Solve for x
    x = 13,861,405.60/3,268.97
  6. Step 6: Final answer
    x = 4,240.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.