Home / 3,854.25-5,782.39-2,211.37

Finding the Fourth Proportional to 3,854.25, 5,782.39 and 2,211.37

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Solution

The fourth proportional to 3,854.25, 5,782.39 and 2,211.37 is: 3,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.25 : 5,782.39 = 2,211.37 : x
  2. Step 2: Convert to fraction form
    3,854.25/5,782.39 = 2,211.37/x
  3. Step 3: Cross multiply
    3,854.25x = 5,782.39 × 2,211.37
  4. Step 4: Simplify right side
    3,854.25x = 12,786,983.79
  5. Step 5: Solve for x
    x = 12,786,983.79/3,854.25
  6. Step 6: Final answer
    x = 3,317.63

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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.