Home / 3,806.20-5,252.82-2,743.56

Finding the Fourth Proportional to 3,806.20, 5,252.82 and 2,743.56

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Solution

The fourth proportional to 3,806.20, 5,252.82 and 2,743.56 is: 3,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.20 : 5,252.82 = 2,743.56 : x
  2. Step 2: Convert to fraction form
    3,806.20/5,252.82 = 2,743.56/x
  3. Step 3: Cross multiply
    3,806.20x = 5,252.82 × 2,743.56
  4. Step 4: Simplify right side
    3,806.20x = 14,411,426.84
  5. Step 5: Solve for x
    x = 14,411,426.84/3,806.20
  6. Step 6: Final answer
    x = 3,786.30

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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.