Home / 3,271.50-4,906.26-1,080.81

Finding the Fourth Proportional to 3,271.50, 4,906.26 and 1,080.81

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Solution

The fourth proportional to 3,271.50, 4,906.26 and 1,080.81 is: 1,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.50 : 4,906.26 = 1,080.81 : x
  2. Step 2: Convert to fraction form
    3,271.50/4,906.26 = 1,080.81/x
  3. Step 3: Cross multiply
    3,271.50x = 4,906.26 × 1,080.81
  4. Step 4: Simplify right side
    3,271.50x = 5,302,734.87
  5. Step 5: Solve for x
    x = 5,302,734.87/3,271.50
  6. Step 6: Final answer
    x = 1,620.89

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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.