Home / 3,063.33-4,226.36-2,118.78

Finding the Fourth Proportional to 3,063.33, 4,226.36 and 2,118.78

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Solution

The fourth proportional to 3,063.33, 4,226.36 and 2,118.78 is: 2,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.33 : 4,226.36 = 2,118.78 : x
  2. Step 2: Convert to fraction form
    3,063.33/4,226.36 = 2,118.78/x
  3. Step 3: Cross multiply
    3,063.33x = 4,226.36 × 2,118.78
  4. Step 4: Simplify right side
    3,063.33x = 8,954,716.45
  5. Step 5: Solve for x
    x = 8,954,716.45/3,063.33
  6. Step 6: Final answer
    x = 2,923.20

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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.