Home / 2,620.62-3,911.67-2,401.44

Finding the Fourth Proportional to 2,620.62, 3,911.67 and 2,401.44

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Solution

The fourth proportional to 2,620.62, 3,911.67 and 2,401.44 is: 3,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.62 : 3,911.67 = 2,401.44 : x
  2. Step 2: Convert to fraction form
    2,620.62/3,911.67 = 2,401.44/x
  3. Step 3: Cross multiply
    2,620.62x = 3,911.67 × 2,401.44
  4. Step 4: Simplify right side
    2,620.62x = 9,393,640.80
  5. Step 5: Solve for x
    x = 9,393,640.80/2,620.62
  6. Step 6: Final answer
    x = 3,584.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.