Home / 3,769.38-5,654.88-1,172.34

Finding the Fourth Proportional to 3,769.38, 5,654.88 and 1,172.34

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Solution

The fourth proportional to 3,769.38, 5,654.88 and 1,172.34 is: 1,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.38 : 5,654.88 = 1,172.34 : x
  2. Step 2: Convert to fraction form
    3,769.38/5,654.88 = 1,172.34/x
  3. Step 3: Cross multiply
    3,769.38x = 5,654.88 × 1,172.34
  4. Step 4: Simplify right side
    3,769.38x = 6,629,442.02
  5. Step 5: Solve for x
    x = 6,629,442.02/3,769.38
  6. Step 6: Final answer
    x = 1,758.76

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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.