Home / 1,976.68-2,727.86-1,092.58

Finding the Fourth Proportional to 1,976.68, 2,727.86 and 1,092.58

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Solution

The fourth proportional to 1,976.68, 2,727.86 and 1,092.58 is: 1,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.68 : 2,727.86 = 1,092.58 : x
  2. Step 2: Convert to fraction form
    1,976.68/2,727.86 = 1,092.58/x
  3. Step 3: Cross multiply
    1,976.68x = 2,727.86 × 1,092.58
  4. Step 4: Simplify right side
    1,976.68x = 2,980,405.28
  5. Step 5: Solve for x
    x = 2,980,405.28/1,976.68
  6. Step 6: Final answer
    x = 1,507.78

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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.