Home / 3,406.08-5,104.20-2,106.80

Finding the Fourth Proportional to 3,406.08, 5,104.20 and 2,106.80

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Solution

The fourth proportional to 3,406.08, 5,104.20 and 2,106.80 is: 3,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.08 : 5,104.20 = 2,106.80 : x
  2. Step 2: Convert to fraction form
    3,406.08/5,104.20 = 2,106.80/x
  3. Step 3: Cross multiply
    3,406.08x = 5,104.20 × 2,106.80
  4. Step 4: Simplify right side
    3,406.08x = 10,753,528.56
  5. Step 5: Solve for x
    x = 10,753,528.56/3,406.08
  6. Step 6: Final answer
    x = 3,157.16

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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.