Home / 3,553.74-5,324.13-2,619

Finding the Fourth Proportional to 3,553.74, 5,324.13 and 2,619

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Solution

The fourth proportional to 3,553.74, 5,324.13 and 2,619 is: 3,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.74 : 5,324.13 = 2,619 : x
  2. Step 2: Convert to fraction form
    3,553.74/5,324.13 = 2,619/x
  3. Step 3: Cross multiply
    3,553.74x = 5,324.13 × 2,619
  4. Step 4: Simplify right side
    3,553.74x = 13,943,896.47
  5. Step 5: Solve for x
    x = 13,943,896.47/3,553.74
  6. Step 6: Final answer
    x = 3,923.72

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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.