Home / 3,271.92-4,908.30-1,324.02

Finding the Fourth Proportional to 3,271.92, 4,908.30 and 1,324.02

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Solution

The fourth proportional to 3,271.92, 4,908.30 and 1,324.02 is: 1,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.92 : 4,908.30 = 1,324.02 : x
  2. Step 2: Convert to fraction form
    3,271.92/4,908.30 = 1,324.02/x
  3. Step 3: Cross multiply
    3,271.92x = 4,908.30 × 1,324.02
  4. Step 4: Simplify right side
    3,271.92x = 6,498,687.37
  5. Step 5: Solve for x
    x = 6,498,687.37/3,271.92
  6. Step 6: Final answer
    x = 1,986.20

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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.