Home / 1,244.11-1,866.50-1,108.09

Finding the Fourth Proportional to 1,244.11, 1,866.50 and 1,108.09

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Solution

The fourth proportional to 1,244.11, 1,866.50 and 1,108.09 is: 1,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.11 : 1,866.50 = 1,108.09 : x
  2. Step 2: Convert to fraction form
    1,244.11/1,866.50 = 1,108.09/x
  3. Step 3: Cross multiply
    1,244.11x = 1,866.50 × 1,108.09
  4. Step 4: Simplify right side
    1,244.11x = 2,068,249.99
  5. Step 5: Solve for x
    x = 2,068,249.99/1,244.11
  6. Step 6: Final answer
    x = 1,662.43

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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.