Home / 3,845.12-5,770.80-1,996.82

Finding the Fourth Proportional to 3,845.12, 5,770.80 and 1,996.82

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Solution

The fourth proportional to 3,845.12, 5,770.80 and 1,996.82 is: 2,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.12 : 5,770.80 = 1,996.82 : x
  2. Step 2: Convert to fraction form
    3,845.12/5,770.80 = 1,996.82/x
  3. Step 3: Cross multiply
    3,845.12x = 5,770.80 × 1,996.82
  4. Step 4: Simplify right side
    3,845.12x = 11,523,248.86
  5. Step 5: Solve for x
    x = 11,523,248.86/3,845.12
  6. Step 6: Final answer
    x = 2,996.85

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1.5x scale

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.