Home / 3,789.45-5,682.56-1,190.97

Finding the Fourth Proportional to 3,789.45, 5,682.56 and 1,190.97

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Solution

The fourth proportional to 3,789.45, 5,682.56 and 1,190.97 is: 1,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.45 : 5,682.56 = 1,190.97 : x
  2. Step 2: Convert to fraction form
    3,789.45/5,682.56 = 1,190.97/x
  3. Step 3: Cross multiply
    3,789.45x = 5,682.56 × 1,190.97
  4. Step 4: Simplify right side
    3,789.45x = 6,767,752.53
  5. Step 5: Solve for x
    x = 6,767,752.53/3,789.45
  6. Step 6: Final answer
    x = 1,785.95

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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.