Home / 3,198.89-4,802.49-2,163.51

Finding the Fourth Proportional to 3,198.89, 4,802.49 and 2,163.51

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Solution

The fourth proportional to 3,198.89, 4,802.49 and 2,163.51 is: 3,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.89 : 4,802.49 = 2,163.51 : x
  2. Step 2: Convert to fraction form
    3,198.89/4,802.49 = 2,163.51/x
  3. Step 3: Cross multiply
    3,198.89x = 4,802.49 × 2,163.51
  4. Step 4: Simplify right side
    3,198.89x = 10,390,235.14
  5. Step 5: Solve for x
    x = 10,390,235.14/3,198.89
  6. Step 6: Final answer
    x = 3,248.07

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1.5x scale

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.