Home / 3,388.11-5,068.13-3,180.75

Finding the Fourth Proportional to 3,388.11, 5,068.13 and 3,180.75

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Solution

The fourth proportional to 3,388.11, 5,068.13 and 3,180.75 is: 4,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.11 : 5,068.13 = 3,180.75 : x
  2. Step 2: Convert to fraction form
    3,388.11/5,068.13 = 3,180.75/x
  3. Step 3: Cross multiply
    3,388.11x = 5,068.13 × 3,180.75
  4. Step 4: Simplify right side
    3,388.11x = 16,120,438.59
  5. Step 5: Solve for x
    x = 16,120,438.59/3,388.11
  6. Step 6: Final answer
    x = 4,757.94

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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.