Home / 3,815.91-5,721.99-1,350.37

Finding the Fourth Proportional to 3,815.91, 5,721.99 and 1,350.37

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Solution

The fourth proportional to 3,815.91, 5,721.99 and 1,350.37 is: 2,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.91 : 5,721.99 = 1,350.37 : x
  2. Step 2: Convert to fraction form
    3,815.91/5,721.99 = 1,350.37/x
  3. Step 3: Cross multiply
    3,815.91x = 5,721.99 × 1,350.37
  4. Step 4: Simplify right side
    3,815.91x = 7,726,813.32
  5. Step 5: Solve for x
    x = 7,726,813.32/3,815.91
  6. Step 6: Final answer
    x = 2,024.89

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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.