Home / 2,614.44-3,918.90-1,996.80

Finding the Fourth Proportional to 2,614.44, 3,918.90 and 1,996.80

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Solution

The fourth proportional to 2,614.44, 3,918.90 and 1,996.80 is: 2,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.44 : 3,918.90 = 1,996.80 : x
  2. Step 2: Convert to fraction form
    2,614.44/3,918.90 = 1,996.80/x
  3. Step 3: Cross multiply
    2,614.44x = 3,918.90 × 1,996.80
  4. Step 4: Simplify right side
    2,614.44x = 7,825,259.52
  5. Step 5: Solve for x
    x = 7,825,259.52/2,614.44
  6. Step 6: Final answer
    x = 2,993.09

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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.