Home / 3,168.20-4,374.16-2,836.04

Finding the Fourth Proportional to 3,168.20, 4,374.16 and 2,836.04

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Solution

The fourth proportional to 3,168.20, 4,374.16 and 2,836.04 is: 3,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.20 : 4,374.16 = 2,836.04 : x
  2. Step 2: Convert to fraction form
    3,168.20/4,374.16 = 2,836.04/x
  3. Step 3: Cross multiply
    3,168.20x = 4,374.16 × 2,836.04
  4. Step 4: Simplify right side
    3,168.20x = 12,405,292.73
  5. Step 5: Solve for x
    x = 12,405,292.73/3,168.20
  6. Step 6: Final answer
    x = 3,915.56

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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.