Home / 3,410.20-5,111.50-1,329.22

Finding the Fourth Proportional to 3,410.20, 5,111.50 and 1,329.22

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Solution

The fourth proportional to 3,410.20, 5,111.50 and 1,329.22 is: 1,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.20 : 5,111.50 = 1,329.22 : x
  2. Step 2: Convert to fraction form
    3,410.20/5,111.50 = 1,329.22/x
  3. Step 3: Cross multiply
    3,410.20x = 5,111.50 × 1,329.22
  4. Step 4: Simplify right side
    3,410.20x = 6,794,308.03
  5. Step 5: Solve for x
    x = 6,794,308.03/3,410.20
  6. Step 6: Final answer
    x = 1,992.35

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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.