Home / 3,850.13-5,735.46-3,611.09

Finding the Fourth Proportional to 3,850.13, 5,735.46 and 3,611.09

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Solution

The fourth proportional to 3,850.13, 5,735.46 and 3,611.09 is: 5,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.13 : 5,735.46 = 3,611.09 : x
  2. Step 2: Convert to fraction form
    3,850.13/5,735.46 = 3,611.09/x
  3. Step 3: Cross multiply
    3,850.13x = 5,735.46 × 3,611.09
  4. Step 4: Simplify right side
    3,850.13x = 20,711,262.25
  5. Step 5: Solve for x
    x = 20,711,262.25/3,850.13
  6. Step 6: Final answer
    x = 5,379.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.