Home / 3,271.56-4,908.36-1,081.80

Finding the Fourth Proportional to 3,271.56, 4,908.36 and 1,081.80

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Solution

The fourth proportional to 3,271.56, 4,908.36 and 1,081.80 is: 1,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.56 : 4,908.36 = 1,081.80 : x
  2. Step 2: Convert to fraction form
    3,271.56/4,908.36 = 1,081.80/x
  3. Step 3: Cross multiply
    3,271.56x = 4,908.36 × 1,081.80
  4. Step 4: Simplify right side
    3,271.56x = 5,309,863.85
  5. Step 5: Solve for x
    x = 5,309,863.85/3,271.56
  6. Step 6: Final answer
    x = 1,623.04

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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.