Home / 1,976.22-2,727.09-1,190.34

Finding the Fourth Proportional to 1,976.22, 2,727.09 and 1,190.34

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Solution

The fourth proportional to 1,976.22, 2,727.09 and 1,190.34 is: 1,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.22 : 2,727.09 = 1,190.34 : x
  2. Step 2: Convert to fraction form
    1,976.22/2,727.09 = 1,190.34/x
  3. Step 3: Cross multiply
    1,976.22x = 2,727.09 × 1,190.34
  4. Step 4: Simplify right side
    1,976.22x = 3,246,164.31
  5. Step 5: Solve for x
    x = 3,246,164.31/1,976.22
  6. Step 6: Final answer
    x = 1,642.61

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1.5x scale

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.