Home / 3,468.20-5,202.30-3,109.80

Finding the Fourth Proportional to 3,468.20, 5,202.30 and 3,109.80

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Solution

The fourth proportional to 3,468.20, 5,202.30 and 3,109.80 is: 4,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.20 : 5,202.30 = 3,109.80 : x
  2. Step 2: Convert to fraction form
    3,468.20/5,202.30 = 3,109.80/x
  3. Step 3: Cross multiply
    3,468.20x = 5,202.30 × 3,109.80
  4. Step 4: Simplify right side
    3,468.20x = 16,178,112.54
  5. Step 5: Solve for x
    x = 16,178,112.54/3,468.20
  6. Step 6: Final answer
    x = 4,664.70

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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.