Home / 3,815.92-5,717.05-1,349.17

Finding the Fourth Proportional to 3,815.92, 5,717.05 and 1,349.17

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Solution

The fourth proportional to 3,815.92, 5,717.05 and 1,349.17 is: 2,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.92 : 5,717.05 = 1,349.17 : x
  2. Step 2: Convert to fraction form
    3,815.92/5,717.05 = 1,349.17/x
  3. Step 3: Cross multiply
    3,815.92x = 5,717.05 × 1,349.17
  4. Step 4: Simplify right side
    3,815.92x = 7,713,254.68
  5. Step 5: Solve for x
    x = 7,713,254.68/3,815.92
  6. Step 6: Final answer
    x = 2,021.33

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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.