Home / 3,405.33-5,101.08-3,121.83

Finding the Fourth Proportional to 3,405.33, 5,101.08 and 3,121.83

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Solution

The fourth proportional to 3,405.33, 5,101.08 and 3,121.83 is: 4,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.33 : 5,101.08 = 3,121.83 : x
  2. Step 2: Convert to fraction form
    3,405.33/5,101.08 = 3,121.83/x
  3. Step 3: Cross multiply
    3,405.33x = 5,101.08 × 3,121.83
  4. Step 4: Simplify right side
    3,405.33x = 15,924,704.58
  5. Step 5: Solve for x
    x = 15,924,704.58/3,405.33
  6. Step 6: Final answer
    x = 4,676.41

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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.