Home / 3,190.26-4,785.74-850.35

Finding the Fourth Proportional to 3,190.26, 4,785.74 and 850.35

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Solution

The fourth proportional to 3,190.26, 4,785.74 and 850.35 is: 1,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.26 : 4,785.74 = 850.35 : x
  2. Step 2: Convert to fraction form
    3,190.26/4,785.74 = 850.35/x
  3. Step 3: Cross multiply
    3,190.26x = 4,785.74 × 850.35
  4. Step 4: Simplify right side
    3,190.26x = 4,069,554.01
  5. Step 5: Solve for x
    x = 4,069,554.01/3,190.26
  6. Step 6: Final answer
    x = 1,275.62

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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.