Home / 2,057.28-3,084.96-1,191.84

Finding the Fourth Proportional to 2,057.28, 3,084.96 and 1,191.84

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Solution

The fourth proportional to 2,057.28, 3,084.96 and 1,191.84 is: 1,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.28 : 3,084.96 = 1,191.84 : x
  2. Step 2: Convert to fraction form
    2,057.28/3,084.96 = 1,191.84/x
  3. Step 3: Cross multiply
    2,057.28x = 3,084.96 × 1,191.84
  4. Step 4: Simplify right side
    2,057.28x = 3,676,778.73
  5. Step 5: Solve for x
    x = 3,676,778.73/2,057.28
  6. Step 6: Final answer
    x = 1,787.20

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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.