Home / 2,249.48-3,374.10-788.78

Finding the Fourth Proportional to 2,249.48, 3,374.10 and 788.78

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Solution

The fourth proportional to 2,249.48, 3,374.10 and 788.78 is: 1,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.48 : 3,374.10 = 788.78 : x
  2. Step 2: Convert to fraction form
    2,249.48/3,374.10 = 788.78/x
  3. Step 3: Cross multiply
    2,249.48x = 3,374.10 × 788.78
  4. Step 4: Simplify right side
    2,249.48x = 2,661,422.60
  5. Step 5: Solve for x
    x = 2,661,422.60/2,249.48
  6. Step 6: Final answer
    x = 1,183.13

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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.