Home / 2,243.68-3,094.53-1,991.87

Finding the Fourth Proportional to 2,243.68, 3,094.53 and 1,991.87

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Solution

The fourth proportional to 2,243.68, 3,094.53 and 1,991.87 is: 2,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.68 : 3,094.53 = 1,991.87 : x
  2. Step 2: Convert to fraction form
    2,243.68/3,094.53 = 1,991.87/x
  3. Step 3: Cross multiply
    2,243.68x = 3,094.53 × 1,991.87
  4. Step 4: Simplify right side
    2,243.68x = 6,163,893.73
  5. Step 5: Solve for x
    x = 6,163,893.73/2,243.68
  6. Step 6: Final answer
    x = 2,747.23

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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.