Home / 2,391.54-3,581.83-2,351.44

Finding the Fourth Proportional to 2,391.54, 3,581.83 and 2,351.44

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Solution

The fourth proportional to 2,391.54, 3,581.83 and 2,351.44 is: 3,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.54 : 3,581.83 = 2,351.44 : x
  2. Step 2: Convert to fraction form
    2,391.54/3,581.83 = 2,351.44/x
  3. Step 3: Cross multiply
    2,391.54x = 3,581.83 × 2,351.44
  4. Step 4: Simplify right side
    2,391.54x = 8,422,465.75
  5. Step 5: Solve for x
    x = 8,422,465.75/2,391.54
  6. Step 6: Final answer
    x = 3,521.78

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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.