Home / 3,961.86-5,946.39-2,114.55

Finding the Fourth Proportional to 3,961.86, 5,946.39 and 2,114.55

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Solution

The fourth proportional to 3,961.86, 5,946.39 and 2,114.55 is: 3,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.86 : 5,946.39 = 2,114.55 : x
  2. Step 2: Convert to fraction form
    3,961.86/5,946.39 = 2,114.55/x
  3. Step 3: Cross multiply
    3,961.86x = 5,946.39 × 2,114.55
  4. Step 4: Simplify right side
    3,961.86x = 12,573,938.97
  5. Step 5: Solve for x
    x = 12,573,938.97/3,961.86
  6. Step 6: Final answer
    x = 3,173.75

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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.