Home / 3,806.06-5,251.92-2,127.47

Finding the Fourth Proportional to 3,806.06, 5,251.92 and 2,127.47

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Solution

The fourth proportional to 3,806.06, 5,251.92 and 2,127.47 is: 2,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.06 : 5,251.92 = 2,127.47 : x
  2. Step 2: Convert to fraction form
    3,806.06/5,251.92 = 2,127.47/x
  3. Step 3: Cross multiply
    3,806.06x = 5,251.92 × 2,127.47
  4. Step 4: Simplify right side
    3,806.06x = 11,173,302.24
  5. Step 5: Solve for x
    x = 11,173,302.24/3,806.06
  6. Step 6: Final answer
    x = 2,935.66

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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.