Home / 3,388.20-5,077.92-2,730.38

Finding the Fourth Proportional to 3,388.20, 5,077.92 and 2,730.38

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Solution

The fourth proportional to 3,388.20, 5,077.92 and 2,730.38 is: 4,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.20 : 5,077.92 = 2,730.38 : x
  2. Step 2: Convert to fraction form
    3,388.20/5,077.92 = 2,730.38/x
  3. Step 3: Cross multiply
    3,388.20x = 5,077.92 × 2,730.38
  4. Step 4: Simplify right side
    3,388.20x = 13,864,655.87
  5. Step 5: Solve for x
    x = 13,864,655.87/3,388.20
  6. Step 6: Final answer
    x = 4,092.05

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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.