Home / 3,806.52-5,252.44-2,127.72

Finding the Fourth Proportional to 3,806.52, 5,252.44 and 2,127.72

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Solution

The fourth proportional to 3,806.52, 5,252.44 and 2,127.72 is: 2,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.52 : 5,252.44 = 2,127.72 : x
  2. Step 2: Convert to fraction form
    3,806.52/5,252.44 = 2,127.72/x
  3. Step 3: Cross multiply
    3,806.52x = 5,252.44 × 2,127.72
  4. Step 4: Simplify right side
    3,806.52x = 11,175,721.64
  5. Step 5: Solve for x
    x = 11,175,721.64/3,806.52
  6. Step 6: Final answer
    x = 2,935.94

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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.