Home / 2,930.46-4,396.35-850.56

Finding the Fourth Proportional to 2,930.46, 4,396.35 and 850.56

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Solution

The fourth proportional to 2,930.46, 4,396.35 and 850.56 is: 1,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.46 : 4,396.35 = 850.56 : x
  2. Step 2: Convert to fraction form
    2,930.46/4,396.35 = 850.56/x
  3. Step 3: Cross multiply
    2,930.46x = 4,396.35 × 850.56
  4. Step 4: Simplify right side
    2,930.46x = 3,739,359.46
  5. Step 5: Solve for x
    x = 3,739,359.46/2,930.46
  6. Step 6: Final answer
    x = 1,276.03

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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.