Home / 3,941.66-5,436.21-2,949.31

Finding the Fourth Proportional to 3,941.66, 5,436.21 and 2,949.31

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Solution

The fourth proportional to 3,941.66, 5,436.21 and 2,949.31 is: 4,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.66 : 5,436.21 = 2,949.31 : x
  2. Step 2: Convert to fraction form
    3,941.66/5,436.21 = 2,949.31/x
  3. Step 3: Cross multiply
    3,941.66x = 5,436.21 × 2,949.31
  4. Step 4: Simplify right side
    3,941.66x = 16,033,086.37
  5. Step 5: Solve for x
    x = 16,033,086.37/3,941.66
  6. Step 6: Final answer
    x = 4,067.59

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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.