Home / 3,721.02-5,576.67-2,789.33

Finding the Fourth Proportional to 3,721.02, 5,576.67 and 2,789.33

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Solution

The fourth proportional to 3,721.02, 5,576.67 and 2,789.33 is: 4,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.02 : 5,576.67 = 2,789.33 : x
  2. Step 2: Convert to fraction form
    3,721.02/5,576.67 = 2,789.33/x
  3. Step 3: Cross multiply
    3,721.02x = 5,576.67 × 2,789.33
  4. Step 4: Simplify right side
    3,721.02x = 15,555,145.05
  5. Step 5: Solve for x
    x = 15,555,145.05/3,721.02
  6. Step 6: Final answer
    x = 4,180.34

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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.