Home / 3,268.20-4,902.30-2,490.60

Finding the Fourth Proportional to 3,268.20, 4,902.30 and 2,490.60

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Solution

The fourth proportional to 3,268.20, 4,902.30 and 2,490.60 is: 3,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.20 : 4,902.30 = 2,490.60 : x
  2. Step 2: Convert to fraction form
    3,268.20/4,902.30 = 2,490.60/x
  3. Step 3: Cross multiply
    3,268.20x = 4,902.30 × 2,490.60
  4. Step 4: Simplify right side
    3,268.20x = 12,209,668.38
  5. Step 5: Solve for x
    x = 12,209,668.38/3,268.20
  6. Step 6: Final answer
    x = 3,735.90

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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.