Home / 3,821.50-5,732.52-1,190.89

Finding the Fourth Proportional to 3,821.50, 5,732.52 and 1,190.89

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Solution

The fourth proportional to 3,821.50, 5,732.52 and 1,190.89 is: 1,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.50 : 5,732.52 = 1,190.89 : x
  2. Step 2: Convert to fraction form
    3,821.50/5,732.52 = 1,190.89/x
  3. Step 3: Cross multiply
    3,821.50x = 5,732.52 × 1,190.89
  4. Step 4: Simplify right side
    3,821.50x = 6,826,800.74
  5. Step 5: Solve for x
    x = 6,826,800.74/3,821.50
  6. Step 6: Final answer
    x = 1,786.42

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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.