Home / 3,512.28-4,846.62-2,020.05

Finding the Fourth Proportional to 3,512.28, 4,846.62 and 2,020.05

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Solution

The fourth proportional to 3,512.28, 4,846.62 and 2,020.05 is: 2,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.28 : 4,846.62 = 2,020.05 : x
  2. Step 2: Convert to fraction form
    3,512.28/4,846.62 = 2,020.05/x
  3. Step 3: Cross multiply
    3,512.28x = 4,846.62 × 2,020.05
  4. Step 4: Simplify right side
    3,512.28x = 9,790,414.73
  5. Step 5: Solve for x
    x = 9,790,414.73/3,512.28
  6. Step 6: Final answer
    x = 2,787.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.