Home / 3,968.57-5,481.11-2,707.46

Finding the Fourth Proportional to 3,968.57, 5,481.11 and 2,707.46

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Solution

The fourth proportional to 3,968.57, 5,481.11 and 2,707.46 is: 3,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.57 : 5,481.11 = 2,707.46 : x
  2. Step 2: Convert to fraction form
    3,968.57/5,481.11 = 2,707.46/x
  3. Step 3: Cross multiply
    3,968.57x = 5,481.11 × 2,707.46
  4. Step 4: Simplify right side
    3,968.57x = 14,839,886.08
  5. Step 5: Solve for x
    x = 14,839,886.08/3,968.57
  6. Step 6: Final answer
    x = 3,739.35

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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.