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Finding the Fourth Proportional to 2,798.82, 4,198.77 and 950.25

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Solution

The fourth proportional to 2,798.82, 4,198.77 and 950.25 is: 1,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.82 : 4,198.77 = 950.25 : x
  2. Step 2: Convert to fraction form
    2,798.82/4,198.77 = 950.25/x
  3. Step 3: Cross multiply
    2,798.82x = 4,198.77 × 950.25
  4. Step 4: Simplify right side
    2,798.82x = 3,989,881.19
  5. Step 5: Solve for x
    x = 3,989,881.19/2,798.82
  6. Step 6: Final answer
    x = 1,425.56

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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.