Home / 2,788.66-4,183.68-1,968.54

Finding the Fourth Proportional to 2,788.66, 4,183.68 and 1,968.54

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Solution

The fourth proportional to 2,788.66, 4,183.68 and 1,968.54 is: 2,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.66 : 4,183.68 = 1,968.54 : x
  2. Step 2: Convert to fraction form
    2,788.66/4,183.68 = 1,968.54/x
  3. Step 3: Cross multiply
    2,788.66x = 4,183.68 × 1,968.54
  4. Step 4: Simplify right side
    2,788.66x = 8,235,720.51
  5. Step 5: Solve for x
    x = 8,235,720.51/2,788.66
  6. Step 6: Final answer
    x = 2,953.29

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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.