Home / 3,933.09-5,417.15-2,936.79

Finding the Fourth Proportional to 3,933.09, 5,417.15 and 2,936.79

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Solution

The fourth proportional to 3,933.09, 5,417.15 and 2,936.79 is: 4,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.09 : 5,417.15 = 2,936.79 : x
  2. Step 2: Convert to fraction form
    3,933.09/5,417.15 = 2,936.79/x
  3. Step 3: Cross multiply
    3,933.09x = 5,417.15 × 2,936.79
  4. Step 4: Simplify right side
    3,933.09x = 15,909,017.26
  5. Step 5: Solve for x
    x = 15,909,017.26/3,933.09
  6. Step 6: Final answer
    x = 4,044.92

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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.