Home / 2,654.51-3,986.21-1,996.38

Finding the Fourth Proportional to 2,654.51, 3,986.21 and 1,996.38

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Solution

The fourth proportional to 2,654.51, 3,986.21 and 1,996.38 is: 2,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.51 : 3,986.21 = 1,996.38 : x
  2. Step 2: Convert to fraction form
    2,654.51/3,986.21 = 1,996.38/x
  3. Step 3: Cross multiply
    2,654.51x = 3,986.21 × 1,996.38
  4. Step 4: Simplify right side
    2,654.51x = 7,957,994.91
  5. Step 5: Solve for x
    x = 7,957,994.91/2,654.51
  6. Step 6: Final answer
    x = 2,997.92

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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.