Home / 3,932.98-5,429.77-2,608.49

Finding the Fourth Proportional to 3,932.98, 5,429.77 and 2,608.49

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Solution

The fourth proportional to 3,932.98, 5,429.77 and 2,608.49 is: 3,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.98 : 5,429.77 = 2,608.49 : x
  2. Step 2: Convert to fraction form
    3,932.98/5,429.77 = 2,608.49/x
  3. Step 3: Cross multiply
    3,932.98x = 5,429.77 × 2,608.49
  4. Step 4: Simplify right side
    3,932.98x = 14,163,507.80
  5. Step 5: Solve for x
    x = 14,163,507.80/3,932.98
  6. Step 6: Final answer
    x = 3,601.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.