Home / 3,972.29-5,958.48-1,198.99

Finding the Fourth Proportional to 3,972.29, 5,958.48 and 1,198.99

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Solution

The fourth proportional to 3,972.29, 5,958.48 and 1,198.99 is: 1,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.29 : 5,958.48 = 1,198.99 : x
  2. Step 2: Convert to fraction form
    3,972.29/5,958.48 = 1,198.99/x
  3. Step 3: Cross multiply
    3,972.29x = 5,958.48 × 1,198.99
  4. Step 4: Simplify right side
    3,972.29x = 7,144,140.04
  5. Step 5: Solve for x
    x = 7,144,140.04/3,972.29
  6. Step 6: Final answer
    x = 1,798.50

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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.