Home / 3,436.44-5,155.20-2,268.78

Finding the Fourth Proportional to 3,436.44, 5,155.20 and 2,268.78

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Solution

The fourth proportional to 3,436.44, 5,155.20 and 2,268.78 is: 3,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.44 : 5,155.20 = 2,268.78 : x
  2. Step 2: Convert to fraction form
    3,436.44/5,155.20 = 2,268.78/x
  3. Step 3: Cross multiply
    3,436.44x = 5,155.20 × 2,268.78
  4. Step 4: Simplify right side
    3,436.44x = 11,696,014.66
  5. Step 5: Solve for x
    x = 11,696,014.66/3,436.44
  6. Step 6: Final answer
    x = 3,403.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.