Home / 1,844.97-2,767.83-612.31

Finding the Fourth Proportional to 1,844.97, 2,767.83 and 612.31

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Solution

The fourth proportional to 1,844.97, 2,767.83 and 612.31 is: 918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.97 : 2,767.83 = 612.31 : x
  2. Step 2: Convert to fraction form
    1,844.97/2,767.83 = 612.31/x
  3. Step 3: Cross multiply
    1,844.97x = 2,767.83 × 612.31
  4. Step 4: Simplify right side
    1,844.97x = 1,694,769.99
  5. Step 5: Solve for x
    x = 1,694,769.99/1,844.97
  6. Step 6: Final answer
    x = 918.59

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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.