Home / 3,806.51-5,252.97-2,127.92

Finding the Fourth Proportional to 3,806.51, 5,252.97 and 2,127.92

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Solution

The fourth proportional to 3,806.51, 5,252.97 and 2,127.92 is: 2,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.51 : 5,252.97 = 2,127.92 : x
  2. Step 2: Convert to fraction form
    3,806.51/5,252.97 = 2,127.92/x
  3. Step 3: Cross multiply
    3,806.51x = 5,252.97 × 2,127.92
  4. Step 4: Simplify right side
    3,806.51x = 11,177,899.92
  5. Step 5: Solve for x
    x = 11,177,899.92/3,806.51
  6. Step 6: Final answer
    x = 2,936.52

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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.