Home / 3,074.62-4,619.85-2,556.22

Finding the Fourth Proportional to 3,074.62, 4,619.85 and 2,556.22

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Solution

The fourth proportional to 3,074.62, 4,619.85 and 2,556.22 is: 3,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.62 : 4,619.85 = 2,556.22 : x
  2. Step 2: Convert to fraction form
    3,074.62/4,619.85 = 2,556.22/x
  3. Step 3: Cross multiply
    3,074.62x = 4,619.85 × 2,556.22
  4. Step 4: Simplify right side
    3,074.62x = 11,809,352.97
  5. Step 5: Solve for x
    x = 11,809,352.97/3,074.62
  6. Step 6: Final answer
    x = 3,840.91

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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.