Home / 3,769.24-5,654.82-1,172.20

Finding the Fourth Proportional to 3,769.24, 5,654.82 and 1,172.20

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Solution

The fourth proportional to 3,769.24, 5,654.82 and 1,172.20 is: 1,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.24 : 5,654.82 = 1,172.20 : x
  2. Step 2: Convert to fraction form
    3,769.24/5,654.82 = 1,172.20/x
  3. Step 3: Cross multiply
    3,769.24x = 5,654.82 × 1,172.20
  4. Step 4: Simplify right side
    3,769.24x = 6,628,580.00
  5. Step 5: Solve for x
    x = 6,628,580.00/3,769.24
  6. Step 6: Final answer
    x = 1,758.60

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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.