Home / 2,819.48-4,226.78-1,356.62

Finding the Fourth Proportional to 2,819.48, 4,226.78 and 1,356.62

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Solution

The fourth proportional to 2,819.48, 4,226.78 and 1,356.62 is: 2,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.48 : 4,226.78 = 1,356.62 : x
  2. Step 2: Convert to fraction form
    2,819.48/4,226.78 = 1,356.62/x
  3. Step 3: Cross multiply
    2,819.48x = 4,226.78 × 1,356.62
  4. Step 4: Simplify right side
    2,819.48x = 5,734,116.54
  5. Step 5: Solve for x
    x = 5,734,116.54/2,819.48
  6. Step 6: Final answer
    x = 2,033.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.