Home / 3,864-5,788.32-1,910.24

Finding the Fourth Proportional to 3,864, 5,788.32 and 1,910.24

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Solution

The fourth proportional to 3,864, 5,788.32 and 1,910.24 is: 2,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864 : 5,788.32 = 1,910.24 : x
  2. Step 2: Convert to fraction form
    3,864/5,788.32 = 1,910.24/x
  3. Step 3: Cross multiply
    3,864x = 5,788.32 × 1,910.24
  4. Step 4: Simplify right side
    3,864x = 11,057,080.40
  5. Step 5: Solve for x
    x = 11,057,080.40/3,864
  6. Step 6: Final answer
    x = 2,861.56

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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.