Home / 3,983.73-5,976.45-1,210.11

Finding the Fourth Proportional to 3,983.73, 5,976.45 and 1,210.11

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Solution

The fourth proportional to 3,983.73, 5,976.45 and 1,210.11 is: 1,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.73 : 5,976.45 = 1,210.11 : x
  2. Step 2: Convert to fraction form
    3,983.73/5,976.45 = 1,210.11/x
  3. Step 3: Cross multiply
    3,983.73x = 5,976.45 × 1,210.11
  4. Step 4: Simplify right side
    3,983.73x = 7,232,161.91
  5. Step 5: Solve for x
    x = 7,232,161.91/3,983.73
  6. Step 6: Final answer
    x = 1,815.42

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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.