Home / 2,025.12-3,039.84-1,951.68

Finding the Fourth Proportional to 2,025.12, 3,039.84 and 1,951.68

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Solution

The fourth proportional to 2,025.12, 3,039.84 and 1,951.68 is: 2,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.12 : 3,039.84 = 1,951.68 : x
  2. Step 2: Convert to fraction form
    2,025.12/3,039.84 = 1,951.68/x
  3. Step 3: Cross multiply
    2,025.12x = 3,039.84 × 1,951.68
  4. Step 4: Simplify right side
    2,025.12x = 5,932,794.93
  5. Step 5: Solve for x
    x = 5,932,794.93/2,025.12
  6. Step 6: Final answer
    x = 2,929.60

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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.