Home / 3,822.97-5,735.36-1,190.35

Finding the Fourth Proportional to 3,822.97, 5,735.36 and 1,190.35

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Solution

The fourth proportional to 3,822.97, 5,735.36 and 1,190.35 is: 1,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.97 : 5,735.36 = 1,190.35 : x
  2. Step 2: Convert to fraction form
    3,822.97/5,735.36 = 1,190.35/x
  3. Step 3: Cross multiply
    3,822.97x = 5,735.36 × 1,190.35
  4. Step 4: Simplify right side
    3,822.97x = 6,827,079.82
  5. Step 5: Solve for x
    x = 6,827,079.82/3,822.97
  6. Step 6: Final answer
    x = 1,785.81

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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.