Home / 3,929.72-5,893.14-1,296.73

Finding the Fourth Proportional to 3,929.72, 5,893.14 and 1,296.73

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Solution

The fourth proportional to 3,929.72, 5,893.14 and 1,296.73 is: 1,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.72 : 5,893.14 = 1,296.73 : x
  2. Step 2: Convert to fraction form
    3,929.72/5,893.14 = 1,296.73/x
  3. Step 3: Cross multiply
    3,929.72x = 5,893.14 × 1,296.73
  4. Step 4: Simplify right side
    3,929.72x = 7,641,811.43
  5. Step 5: Solve for x
    x = 7,641,811.43/3,929.72
  6. Step 6: Final answer
    x = 1,944.62

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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.