Home / 2,983.82-4,475.75-1,228.55

Finding the Fourth Proportional to 2,983.82, 4,475.75 and 1,228.55

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Solution

The fourth proportional to 2,983.82, 4,475.75 and 1,228.55 is: 1,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.82 : 4,475.75 = 1,228.55 : x
  2. Step 2: Convert to fraction form
    2,983.82/4,475.75 = 1,228.55/x
  3. Step 3: Cross multiply
    2,983.82x = 4,475.75 × 1,228.55
  4. Step 4: Simplify right side
    2,983.82x = 5,498,654.14
  5. Step 5: Solve for x
    x = 5,498,654.14/2,983.82
  6. Step 6: Final answer
    x = 1,842.83

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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.