Home / 3,619.45-4,994.99-2,222.65

Finding the Fourth Proportional to 3,619.45, 4,994.99 and 2,222.65

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Solution

The fourth proportional to 3,619.45, 4,994.99 and 2,222.65 is: 3,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.45 : 4,994.99 = 2,222.65 : x
  2. Step 2: Convert to fraction form
    3,619.45/4,994.99 = 2,222.65/x
  3. Step 3: Cross multiply
    3,619.45x = 4,994.99 × 2,222.65
  4. Step 4: Simplify right side
    3,619.45x = 11,102,103.41
  5. Step 5: Solve for x
    x = 11,102,103.41/3,619.45
  6. Step 6: Final answer
    x = 3,067.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.