Home / 2,025.54-3,049.38-1,380.38

Finding the Fourth Proportional to 2,025.54, 3,049.38 and 1,380.38

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Solution

The fourth proportional to 2,025.54, 3,049.38 and 1,380.38 is: 2,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.54 : 3,049.38 = 1,380.38 : x
  2. Step 2: Convert to fraction form
    2,025.54/3,049.38 = 1,380.38/x
  3. Step 3: Cross multiply
    2,025.54x = 3,049.38 × 1,380.38
  4. Step 4: Simplify right side
    2,025.54x = 4,209,287.92
  5. Step 5: Solve for x
    x = 4,209,287.92/2,025.54
  6. Step 6: Final answer
    x = 2,078.11

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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.