Home / 3,453.72-5,174.19-2,529.69

Finding the Fourth Proportional to 3,453.72, 5,174.19 and 2,529.69

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Solution

The fourth proportional to 3,453.72, 5,174.19 and 2,529.69 is: 3,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.72 : 5,174.19 = 2,529.69 : x
  2. Step 2: Convert to fraction form
    3,453.72/5,174.19 = 2,529.69/x
  3. Step 3: Cross multiply
    3,453.72x = 5,174.19 × 2,529.69
  4. Step 4: Simplify right side
    3,453.72x = 13,089,096.70
  5. Step 5: Solve for x
    x = 13,089,096.70/3,453.72
  6. Step 6: Final answer
    x = 3,789.85

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1.5x scale

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.