Home / 2,788.77-4,183.56-1,327.62

Finding the Fourth Proportional to 2,788.77, 4,183.56 and 1,327.62

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Solution

The fourth proportional to 2,788.77, 4,183.56 and 1,327.62 is: 1,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.77 : 4,183.56 = 1,327.62 : x
  2. Step 2: Convert to fraction form
    2,788.77/4,183.56 = 1,327.62/x
  3. Step 3: Cross multiply
    2,788.77x = 4,183.56 × 1,327.62
  4. Step 4: Simplify right side
    2,788.77x = 5,554,177.93
  5. Step 5: Solve for x
    x = 5,554,177.93/2,788.77
  6. Step 6: Final answer
    x = 1,991.62

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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.