Home / 1,996.33-2,755.55-1,366.61

Finding the Fourth Proportional to 1,996.33, 2,755.55 and 1,366.61

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Solution

The fourth proportional to 1,996.33, 2,755.55 and 1,366.61 is: 1,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.33 : 2,755.55 = 1,366.61 : x
  2. Step 2: Convert to fraction form
    1,996.33/2,755.55 = 1,366.61/x
  3. Step 3: Cross multiply
    1,996.33x = 2,755.55 × 1,366.61
  4. Step 4: Simplify right side
    1,996.33x = 3,765,762.19
  5. Step 5: Solve for x
    x = 3,765,762.19/1,996.33
  6. Step 6: Final answer
    x = 1,886.34

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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.