Home / 3,208.12-4,812.10-2,168.60

Finding the Fourth Proportional to 3,208.12, 4,812.10 and 2,168.60

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Solution

The fourth proportional to 3,208.12, 4,812.10 and 2,168.60 is: 3,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.12 : 4,812.10 = 2,168.60 : x
  2. Step 2: Convert to fraction form
    3,208.12/4,812.10 = 2,168.60/x
  3. Step 3: Cross multiply
    3,208.12x = 4,812.10 × 2,168.60
  4. Step 4: Simplify right side
    3,208.12x = 10,435,520.06
  5. Step 5: Solve for x
    x = 10,435,520.06/3,208.12
  6. Step 6: Final answer
    x = 3,252.85

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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.