Home / 3,933.69-5,431.62-3,047.95

Finding the Fourth Proportional to 3,933.69, 5,431.62 and 3,047.95

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Solution

The fourth proportional to 3,933.69, 5,431.62 and 3,047.95 is: 4,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.69 : 5,431.62 = 3,047.95 : x
  2. Step 2: Convert to fraction form
    3,933.69/5,431.62 = 3,047.95/x
  3. Step 3: Cross multiply
    3,933.69x = 5,431.62 × 3,047.95
  4. Step 4: Simplify right side
    3,933.69x = 16,555,306.18
  5. Step 5: Solve for x
    x = 16,555,306.18/3,933.69
  6. Step 6: Final answer
    x = 4,208.59

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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.