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Finding the Fourth Proportional to 2,798.66, 4,198.89 and 1,499.82

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Solution

The fourth proportional to 2,798.66, 4,198.89 and 1,499.82 is: 2,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.66 : 4,198.89 = 1,499.82 : x
  2. Step 2: Convert to fraction form
    2,798.66/4,198.89 = 1,499.82/x
  3. Step 3: Cross multiply
    2,798.66x = 4,198.89 × 1,499.82
  4. Step 4: Simplify right side
    2,798.66x = 6,297,579.20
  5. Step 5: Solve for x
    x = 6,297,579.20/2,798.66
  6. Step 6: Final answer
    x = 2,250.22

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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.