Home / 1,616.58-2,231.19-1,027.80

Finding the Fourth Proportional to 1,616.58, 2,231.19 and 1,027.80

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Solution

The fourth proportional to 1,616.58, 2,231.19 and 1,027.80 is: 1,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.58 : 2,231.19 = 1,027.80 : x
  2. Step 2: Convert to fraction form
    1,616.58/2,231.19 = 1,027.80/x
  3. Step 3: Cross multiply
    1,616.58x = 2,231.19 × 1,027.80
  4. Step 4: Simplify right side
    1,616.58x = 2,293,217.08
  5. Step 5: Solve for x
    x = 2,293,217.08/1,616.58
  6. Step 6: Final answer
    x = 1,418.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.