Home / 2,796.14-4,195.58-1,979.66

Finding the Fourth Proportional to 2,796.14, 4,195.58 and 1,979.66

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Solution

The fourth proportional to 2,796.14, 4,195.58 and 1,979.66 is: 2,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.14 : 4,195.58 = 1,979.66 : x
  2. Step 2: Convert to fraction form
    2,796.14/4,195.58 = 1,979.66/x
  3. Step 3: Cross multiply
    2,796.14x = 4,195.58 × 1,979.66
  4. Step 4: Simplify right side
    2,796.14x = 8,305,806.76
  5. Step 5: Solve for x
    x = 8,305,806.76/2,796.14
  6. Step 6: Final answer
    x = 2,970.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.