Home / 3,823.70-5,736.37-1,191.15

Finding the Fourth Proportional to 3,823.70, 5,736.37 and 1,191.15

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Solution

The fourth proportional to 3,823.70, 5,736.37 and 1,191.15 is: 1,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.70 : 5,736.37 = 1,191.15 : x
  2. Step 2: Convert to fraction form
    3,823.70/5,736.37 = 1,191.15/x
  3. Step 3: Cross multiply
    3,823.70x = 5,736.37 × 1,191.15
  4. Step 4: Simplify right side
    3,823.70x = 6,832,848.44
  5. Step 5: Solve for x
    x = 6,832,848.44/3,823.70
  6. Step 6: Final answer
    x = 1,786.98

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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.