Home / 3,933.21-5,433.80-2,936.77

Finding the Fourth Proportional to 3,933.21, 5,433.80 and 2,936.77

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Solution

The fourth proportional to 3,933.21, 5,433.80 and 2,936.77 is: 4,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.21 : 5,433.80 = 2,936.77 : x
  2. Step 2: Convert to fraction form
    3,933.21/5,433.80 = 2,936.77/x
  3. Step 3: Cross multiply
    3,933.21x = 5,433.80 × 2,936.77
  4. Step 4: Simplify right side
    3,933.21x = 15,957,792.56
  5. Step 5: Solve for x
    x = 15,957,792.56/3,933.21
  6. Step 6: Final answer
    x = 4,057.19

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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.