Home / 3,821.01-5,273.15-2,142.43

Finding the Fourth Proportional to 3,821.01, 5,273.15 and 2,142.43

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Solution

The fourth proportional to 3,821.01, 5,273.15 and 2,142.43 is: 2,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.01 : 5,273.15 = 2,142.43 : x
  2. Step 2: Convert to fraction form
    3,821.01/5,273.15 = 2,142.43/x
  3. Step 3: Cross multiply
    3,821.01x = 5,273.15 × 2,142.43
  4. Step 4: Simplify right side
    3,821.01x = 11,297,354.75
  5. Step 5: Solve for x
    x = 11,297,354.75/3,821.01
  6. Step 6: Final answer
    x = 2,956.64

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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.