Home / 3,860.57-5,782.66-2,213.03

Finding the Fourth Proportional to 3,860.57, 5,782.66 and 2,213.03

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Solution

The fourth proportional to 3,860.57, 5,782.66 and 2,213.03 is: 3,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.57 : 5,782.66 = 2,213.03 : x
  2. Step 2: Convert to fraction form
    3,860.57/5,782.66 = 2,213.03/x
  3. Step 3: Cross multiply
    3,860.57x = 5,782.66 × 2,213.03
  4. Step 4: Simplify right side
    3,860.57x = 12,797,208.98
  5. Step 5: Solve for x
    x = 12,797,208.98/3,860.57
  6. Step 6: Final answer
    x = 3,314.85

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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.