Home / 3,644.74-5,469.90-2,821.06

Finding the Fourth Proportional to 3,644.74, 5,469.90 and 2,821.06

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Solution

The fourth proportional to 3,644.74, 5,469.90 and 2,821.06 is: 4,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.74 : 5,469.90 = 2,821.06 : x
  2. Step 2: Convert to fraction form
    3,644.74/5,469.90 = 2,821.06/x
  3. Step 3: Cross multiply
    3,644.74x = 5,469.90 × 2,821.06
  4. Step 4: Simplify right side
    3,644.74x = 15,430,916.09
  5. Step 5: Solve for x
    x = 15,430,916.09/3,644.74
  6. Step 6: Final answer
    x = 4,233.75

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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.