Home / 3,468.20-5,198.58-3,191.34

Finding the Fourth Proportional to 3,468.20, 5,198.58 and 3,191.34

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Solution

The fourth proportional to 3,468.20, 5,198.58 and 3,191.34 is: 4,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.20 : 5,198.58 = 3,191.34 : x
  2. Step 2: Convert to fraction form
    3,468.20/5,198.58 = 3,191.34/x
  3. Step 3: Cross multiply
    3,468.20x = 5,198.58 × 3,191.34
  4. Step 4: Simplify right side
    3,468.20x = 16,590,436.30
  5. Step 5: Solve for x
    x = 16,590,436.30/3,468.20
  6. Step 6: Final answer
    x = 4,783.59

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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.