Home / 3,441.30-5,163.15-3,321.30

Finding the Fourth Proportional to 3,441.30, 5,163.15 and 3,321.30

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Solution

The fourth proportional to 3,441.30, 5,163.15 and 3,321.30 is: 4,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.30 : 5,163.15 = 3,321.30 : x
  2. Step 2: Convert to fraction form
    3,441.30/5,163.15 = 3,321.30/x
  3. Step 3: Cross multiply
    3,441.30x = 5,163.15 × 3,321.30
  4. Step 4: Simplify right side
    3,441.30x = 17,148,370.10
  5. Step 5: Solve for x
    x = 17,148,370.10/3,441.30
  6. Step 6: Final answer
    x = 4,983.11

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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.