Home / 3,083.72-4,631.10-2,836.47

Finding the Fourth Proportional to 3,083.72, 4,631.10 and 2,836.47

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Solution

The fourth proportional to 3,083.72, 4,631.10 and 2,836.47 is: 4,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.72 : 4,631.10 = 2,836.47 : x
  2. Step 2: Convert to fraction form
    3,083.72/4,631.10 = 2,836.47/x
  3. Step 3: Cross multiply
    3,083.72x = 4,631.10 × 2,836.47
  4. Step 4: Simplify right side
    3,083.72x = 13,135,976.22
  5. Step 5: Solve for x
    x = 13,135,976.22/3,083.72
  6. Step 6: Final answer
    x = 4,259.79

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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.