Home / 3,806.48-5,707.35-2,137.97

Finding the Fourth Proportional to 3,806.48, 5,707.35 and 2,137.97

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Solution

The fourth proportional to 3,806.48, 5,707.35 and 2,137.97 is: 3,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.48 : 5,707.35 = 2,137.97 : x
  2. Step 2: Convert to fraction form
    3,806.48/5,707.35 = 2,137.97/x
  3. Step 3: Cross multiply
    3,806.48x = 5,707.35 × 2,137.97
  4. Step 4: Simplify right side
    3,806.48x = 12,202,157.35
  5. Step 5: Solve for x
    x = 12,202,157.35/3,806.48
  6. Step 6: Final answer
    x = 3,205.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.