Home / 3,271.68-4,908.20-1,324.04

Finding the Fourth Proportional to 3,271.68, 4,908.20 and 1,324.04

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Solution

The fourth proportional to 3,271.68, 4,908.20 and 1,324.04 is: 1,986.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.68 : 4,908.20 = 1,324.04 : x
  2. Step 2: Convert to fraction form
    3,271.68/4,908.20 = 1,324.04/x
  3. Step 3: Cross multiply
    3,271.68x = 4,908.20 × 1,324.04
  4. Step 4: Simplify right side
    3,271.68x = 6,498,653.13
  5. Step 5: Solve for x
    x = 6,498,653.13/3,271.68
  6. Step 6: Final answer
    x = 1,986.34

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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.