Home / 3,247.97-4,872.15-1,056.78

Finding the Fourth Proportional to 3,247.97, 4,872.15 and 1,056.78

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Solution

The fourth proportional to 3,247.97, 4,872.15 and 1,056.78 is: 1,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.97 : 4,872.15 = 1,056.78 : x
  2. Step 2: Convert to fraction form
    3,247.97/4,872.15 = 1,056.78/x
  3. Step 3: Cross multiply
    3,247.97x = 4,872.15 × 1,056.78
  4. Step 4: Simplify right side
    3,247.97x = 5,148,790.68
  5. Step 5: Solve for x
    x = 5,148,790.68/3,247.97
  6. Step 6: Final answer
    x = 1,585.24

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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.