Home / 3,931.92-5,893.80-1,956.24

Finding the Fourth Proportional to 3,931.92, 5,893.80 and 1,956.24

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Solution

The fourth proportional to 3,931.92, 5,893.80 and 1,956.24 is: 2,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.92 : 5,893.80 = 1,956.24 : x
  2. Step 2: Convert to fraction form
    3,931.92/5,893.80 = 1,956.24/x
  3. Step 3: Cross multiply
    3,931.92x = 5,893.80 × 1,956.24
  4. Step 4: Simplify right side
    3,931.92x = 11,529,687.31
  5. Step 5: Solve for x
    x = 11,529,687.31/3,931.92
  6. Step 6: Final answer
    x = 2,932.33

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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.