Home / 3,806.79-5,251.75-2,611.97

Finding the Fourth Proportional to 3,806.79, 5,251.75 and 2,611.97

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Solution

The fourth proportional to 3,806.79, 5,251.75 and 2,611.97 is: 3,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.79 : 5,251.75 = 2,611.97 : x
  2. Step 2: Convert to fraction form
    3,806.79/5,251.75 = 2,611.97/x
  3. Step 3: Cross multiply
    3,806.79x = 5,251.75 × 2,611.97
  4. Step 4: Simplify right side
    3,806.79x = 13,717,406.36
  5. Step 5: Solve for x
    x = 13,717,406.36/3,806.79
  6. Step 6: Final answer
    x = 3,603.41

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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.