Home / 2,191.55-3,277.87-1,299.96

Finding the Fourth Proportional to 2,191.55, 3,277.87 and 1,299.96

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Solution

The fourth proportional to 2,191.55, 3,277.87 and 1,299.96 is: 1,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.55 : 3,277.87 = 1,299.96 : x
  2. Step 2: Convert to fraction form
    2,191.55/3,277.87 = 1,299.96/x
  3. Step 3: Cross multiply
    2,191.55x = 3,277.87 × 1,299.96
  4. Step 4: Simplify right side
    2,191.55x = 4,261,096.64
  5. Step 5: Solve for x
    x = 4,261,096.64/2,191.55
  6. Step 6: Final answer
    x = 1,944.33

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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.