Home / 3,936.96-5,911.74-2,294.70

Finding the Fourth Proportional to 3,936.96, 5,911.74 and 2,294.70

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Solution

The fourth proportional to 3,936.96, 5,911.74 and 2,294.70 is: 3,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.96 : 5,911.74 = 2,294.70 : x
  2. Step 2: Convert to fraction form
    3,936.96/5,911.74 = 2,294.70/x
  3. Step 3: Cross multiply
    3,936.96x = 5,911.74 × 2,294.70
  4. Step 4: Simplify right side
    3,936.96x = 13,565,669.78
  5. Step 5: Solve for x
    x = 13,565,669.78/3,936.96
  6. Step 6: Final answer
    x = 3,445.72

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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.