Home / 3,450.08-5,176.20-2,218.88

Finding the Fourth Proportional to 3,450.08, 5,176.20 and 2,218.88

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Solution

The fourth proportional to 3,450.08, 5,176.20 and 2,218.88 is: 3,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.08 : 5,176.20 = 2,218.88 : x
  2. Step 2: Convert to fraction form
    3,450.08/5,176.20 = 2,218.88/x
  3. Step 3: Cross multiply
    3,450.08x = 5,176.20 × 2,218.88
  4. Step 4: Simplify right side
    3,450.08x = 11,485,340.78
  5. Step 5: Solve for x
    x = 11,485,340.78/3,450.08
  6. Step 6: Final answer
    x = 3,329.01

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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.