Home / 2,727.06-3,761.82-1,678.92

Finding the Fourth Proportional to 2,727.06, 3,761.82 and 1,678.92

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Solution

The fourth proportional to 2,727.06, 3,761.82 and 1,678.92 is: 2,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.06 : 3,761.82 = 1,678.92 : x
  2. Step 2: Convert to fraction form
    2,727.06/3,761.82 = 1,678.92/x
  3. Step 3: Cross multiply
    2,727.06x = 3,761.82 × 1,678.92
  4. Step 4: Simplify right side
    2,727.06x = 6,315,794.83
  5. Step 5: Solve for x
    x = 6,315,794.83/2,727.06
  6. Step 6: Final answer
    x = 2,315.97

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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.