Home / 3,229.80-4,851.90-3,098.60

Finding the Fourth Proportional to 3,229.80, 4,851.90 and 3,098.60

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Solution

The fourth proportional to 3,229.80, 4,851.90 and 3,098.60 is: 4,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.80 : 4,851.90 = 3,098.60 : x
  2. Step 2: Convert to fraction form
    3,229.80/4,851.90 = 3,098.60/x
  3. Step 3: Cross multiply
    3,229.80x = 4,851.90 × 3,098.60
  4. Step 4: Simplify right side
    3,229.80x = 15,034,097.34
  5. Step 5: Solve for x
    x = 15,034,097.34/3,229.80
  6. Step 6: Final answer
    x = 4,654.81

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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.