Home / 2,830.83-4,247.24-1,270.66

Finding the Fourth Proportional to 2,830.83, 4,247.24 and 1,270.66

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Solution

The fourth proportional to 2,830.83, 4,247.24 and 1,270.66 is: 1,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.83 : 4,247.24 = 1,270.66 : x
  2. Step 2: Convert to fraction form
    2,830.83/4,247.24 = 1,270.66/x
  3. Step 3: Cross multiply
    2,830.83x = 4,247.24 × 1,270.66
  4. Step 4: Simplify right side
    2,830.83x = 5,396,797.98
  5. Step 5: Solve for x
    x = 5,396,797.98/2,830.83
  6. Step 6: Final answer
    x = 1,906.44

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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.