Home / 3,480.30-5,213.49-2,092.87

Finding the Fourth Proportional to 3,480.30, 5,213.49 and 2,092.87

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Solution

The fourth proportional to 3,480.30, 5,213.49 and 2,092.87 is: 3,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.30 : 5,213.49 = 2,092.87 : x
  2. Step 2: Convert to fraction form
    3,480.30/5,213.49 = 2,092.87/x
  3. Step 3: Cross multiply
    3,480.30x = 5,213.49 × 2,092.87
  4. Step 4: Simplify right side
    3,480.30x = 10,911,146.35
  5. Step 5: Solve for x
    x = 10,911,146.35/3,480.30
  6. Step 6: Final answer
    x = 3,135.12

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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.