Home / 3,921.58-5,883.25-1,324.45

Finding the Fourth Proportional to 3,921.58, 5,883.25 and 1,324.45

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Solution

The fourth proportional to 3,921.58, 5,883.25 and 1,324.45 is: 1,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.58 : 5,883.25 = 1,324.45 : x
  2. Step 2: Convert to fraction form
    3,921.58/5,883.25 = 1,324.45/x
  3. Step 3: Cross multiply
    3,921.58x = 5,883.25 × 1,324.45
  4. Step 4: Simplify right side
    3,921.58x = 7,792,091.74
  5. Step 5: Solve for x
    x = 7,792,091.74/3,921.58
  6. Step 6: Final answer
    x = 1,986.98

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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.