Home / 3,640.62-5,466.51-2,186.22

Finding the Fourth Proportional to 3,640.62, 5,466.51 and 2,186.22

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Solution

The fourth proportional to 3,640.62, 5,466.51 and 2,186.22 is: 3,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.62 : 5,466.51 = 2,186.22 : x
  2. Step 2: Convert to fraction form
    3,640.62/5,466.51 = 2,186.22/x
  3. Step 3: Cross multiply
    3,640.62x = 5,466.51 × 2,186.22
  4. Step 4: Simplify right side
    3,640.62x = 11,950,993.49
  5. Step 5: Solve for x
    x = 11,950,993.49/3,640.62
  6. Step 6: Final answer
    x = 3,282.68

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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.