Home / 3,512.62-4,846.42-2,020.42

Finding the Fourth Proportional to 3,512.62, 4,846.42 and 2,020.42

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Solution

The fourth proportional to 3,512.62, 4,846.42 and 2,020.42 is: 2,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.62 : 4,846.42 = 2,020.42 : x
  2. Step 2: Convert to fraction form
    3,512.62/4,846.42 = 2,020.42/x
  3. Step 3: Cross multiply
    3,512.62x = 4,846.42 × 2,020.42
  4. Step 4: Simplify right side
    3,512.62x = 9,791,803.90
  5. Step 5: Solve for x
    x = 9,791,803.90/3,512.62
  6. Step 6: Final answer
    x = 2,787.61

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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.