Home / 2,770.67-3,823.49-1,591.76

Finding the Fourth Proportional to 2,770.67, 3,823.49 and 1,591.76

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Solution

The fourth proportional to 2,770.67, 3,823.49 and 1,591.76 is: 2,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.67 : 3,823.49 = 1,591.76 : x
  2. Step 2: Convert to fraction form
    2,770.67/3,823.49 = 1,591.76/x
  3. Step 3: Cross multiply
    2,770.67x = 3,823.49 × 1,591.76
  4. Step 4: Simplify right side
    2,770.67x = 6,086,091.98
  5. Step 5: Solve for x
    x = 6,086,091.98/2,770.67
  6. Step 6: Final answer
    x = 2,196.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.