Home / 3,934.80-5,910.84-2,965.20

Finding the Fourth Proportional to 3,934.80, 5,910.84 and 2,965.20

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Solution

The fourth proportional to 3,934.80, 5,910.84 and 2,965.20 is: 4,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.80 : 5,910.84 = 2,965.20 : x
  2. Step 2: Convert to fraction form
    3,934.80/5,910.84 = 2,965.20/x
  3. Step 3: Cross multiply
    3,934.80x = 5,910.84 × 2,965.20
  4. Step 4: Simplify right side
    3,934.80x = 17,526,822.77
  5. Step 5: Solve for x
    x = 17,526,822.77/3,934.80
  6. Step 6: Final answer
    x = 4,454.31

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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.