Home / 3,723.31-5,576.40-2,076.21

Finding the Fourth Proportional to 3,723.31, 5,576.40 and 2,076.21

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Solution

The fourth proportional to 3,723.31, 5,576.40 and 2,076.21 is: 3,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.31 : 5,576.40 = 2,076.21 : x
  2. Step 2: Convert to fraction form
    3,723.31/5,576.40 = 2,076.21/x
  3. Step 3: Cross multiply
    3,723.31x = 5,576.40 × 2,076.21
  4. Step 4: Simplify right side
    3,723.31x = 11,577,777.44
  5. Step 5: Solve for x
    x = 11,577,777.44/3,723.31
  6. Step 6: Final answer
    x = 3,109.54

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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.