Home / 2,976.35-4,110.87-1,979.85

Finding the Fourth Proportional to 2,976.35, 4,110.87 and 1,979.85

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Solution

The fourth proportional to 2,976.35, 4,110.87 and 1,979.85 is: 2,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.35 : 4,110.87 = 1,979.85 : x
  2. Step 2: Convert to fraction form
    2,976.35/4,110.87 = 1,979.85/x
  3. Step 3: Cross multiply
    2,976.35x = 4,110.87 × 1,979.85
  4. Step 4: Simplify right side
    2,976.35x = 8,138,896.07
  5. Step 5: Solve for x
    x = 8,138,896.07/2,976.35
  6. Step 6: Final answer
    x = 2,734.52

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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.