Home / 1,996.20-2,754.86-1,112.00

Finding the Fourth Proportional to 1,996.20, 2,754.86 and 1,112.00

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Solution

The fourth proportional to 1,996.20, 2,754.86 and 1,112.00 is: 1,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.20 : 2,754.86 = 1,112.00 : x
  2. Step 2: Convert to fraction form
    1,996.20/2,754.86 = 1,112.00/x
  3. Step 3: Cross multiply
    1,996.20x = 2,754.86 × 1,112.00
  4. Step 4: Simplify right side
    1,996.20x = 3,063,384.99
  5. Step 5: Solve for x
    x = 3,063,384.99/1,996.20
  6. Step 6: Final answer
    x = 1,534.61

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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.