Home / 3,785.20-5,679.52-1,704.06

Finding the Fourth Proportional to 3,785.20, 5,679.52 and 1,704.06

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Solution

The fourth proportional to 3,785.20, 5,679.52 and 1,704.06 is: 2,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.20 : 5,679.52 = 1,704.06 : x
  2. Step 2: Convert to fraction form
    3,785.20/5,679.52 = 1,704.06/x
  3. Step 3: Cross multiply
    3,785.20x = 5,679.52 × 1,704.06
  4. Step 4: Simplify right side
    3,785.20x = 9,678,242.85
  5. Step 5: Solve for x
    x = 9,678,242.85/3,785.20
  6. Step 6: Final answer
    x = 2,556.86

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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.