Home / 3,321.08-4,982.76-2,087.04

Finding the Fourth Proportional to 3,321.08, 4,982.76 and 2,087.04

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Solution

The fourth proportional to 3,321.08, 4,982.76 and 2,087.04 is: 3,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.08 : 4,982.76 = 2,087.04 : x
  2. Step 2: Convert to fraction form
    3,321.08/4,982.76 = 2,087.04/x
  3. Step 3: Cross multiply
    3,321.08x = 4,982.76 × 2,087.04
  4. Step 4: Simplify right side
    3,321.08x = 10,399,219.43
  5. Step 5: Solve for x
    x = 10,399,219.43/3,321.08
  6. Step 6: Final answer
    x = 3,131.28

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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.