Home / 3,806.31-5,252.79-2,127.67

Finding the Fourth Proportional to 3,806.31, 5,252.79 and 2,127.67

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Solution

The fourth proportional to 3,806.31, 5,252.79 and 2,127.67 is: 2,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.31 : 5,252.79 = 2,127.67 : x
  2. Step 2: Convert to fraction form
    3,806.31/5,252.79 = 2,127.67/x
  3. Step 3: Cross multiply
    3,806.31x = 5,252.79 × 2,127.67
  4. Step 4: Simplify right side
    3,806.31x = 11,176,203.70
  5. Step 5: Solve for x
    x = 11,176,203.70/3,806.31
  6. Step 6: Final answer
    x = 2,936.23

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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.