Home / 2,250.48-3,374.88-789.36

Finding the Fourth Proportional to 2,250.48, 3,374.88 and 789.36

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Solution

The fourth proportional to 2,250.48, 3,374.88 and 789.36 is: 1,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.48 : 3,374.88 = 789.36 : x
  2. Step 2: Convert to fraction form
    2,250.48/3,374.88 = 789.36/x
  3. Step 3: Cross multiply
    2,250.48x = 3,374.88 × 789.36
  4. Step 4: Simplify right side
    2,250.48x = 2,663,995.28
  5. Step 5: Solve for x
    x = 2,663,995.28/2,250.48
  6. Step 6: Final answer
    x = 1,183.75

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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.