Home / 2,712.68-3,743.82-1,664.96

Finding the Fourth Proportional to 2,712.68, 3,743.82 and 1,664.96

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Solution

The fourth proportional to 2,712.68, 3,743.82 and 1,664.96 is: 2,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.68 : 3,743.82 = 1,664.96 : x
  2. Step 2: Convert to fraction form
    2,712.68/3,743.82 = 1,664.96/x
  3. Step 3: Cross multiply
    2,712.68x = 3,743.82 × 1,664.96
  4. Step 4: Simplify right side
    2,712.68x = 6,233,310.55
  5. Step 5: Solve for x
    x = 6,233,310.55/2,712.68
  6. Step 6: Final answer
    x = 2,297.84

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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.