Home / 3,972.75-5,958.86-1,632.15

Finding the Fourth Proportional to 3,972.75, 5,958.86 and 1,632.15

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Solution

The fourth proportional to 3,972.75, 5,958.86 and 1,632.15 is: 2,448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.75 : 5,958.86 = 1,632.15 : x
  2. Step 2: Convert to fraction form
    3,972.75/5,958.86 = 1,632.15/x
  3. Step 3: Cross multiply
    3,972.75x = 5,958.86 × 1,632.15
  4. Step 4: Simplify right side
    3,972.75x = 9,725,745.19
  5. Step 5: Solve for x
    x = 9,725,745.19/3,972.75
  6. Step 6: Final answer
    x = 2,448.12

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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.