Home / 3,806.34-5,252.67-2,127.70

Finding the Fourth Proportional to 3,806.34, 5,252.67 and 2,127.70

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Solution

The fourth proportional to 3,806.34, 5,252.67 and 2,127.70 is: 2,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.34 : 5,252.67 = 2,127.70 : x
  2. Step 2: Convert to fraction form
    3,806.34/5,252.67 = 2,127.70/x
  3. Step 3: Cross multiply
    3,806.34x = 5,252.67 × 2,127.70
  4. Step 4: Simplify right side
    3,806.34x = 11,176,105.96
  5. Step 5: Solve for x
    x = 11,176,105.96/3,806.34
  6. Step 6: Final answer
    x = 2,936.18

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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.