Home / 3,399.76-5,098.20-1,209.04

Finding the Fourth Proportional to 3,399.76, 5,098.20 and 1,209.04

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Solution

The fourth proportional to 3,399.76, 5,098.20 and 1,209.04 is: 1,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.76 : 5,098.20 = 1,209.04 : x
  2. Step 2: Convert to fraction form
    3,399.76/5,098.20 = 1,209.04/x
  3. Step 3: Cross multiply
    3,399.76x = 5,098.20 × 1,209.04
  4. Step 4: Simplify right side
    3,399.76x = 6,163,927.73
  5. Step 5: Solve for x
    x = 6,163,927.73/3,399.76
  6. Step 6: Final answer
    x = 1,813.05

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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.