Home / 1,361.94-2,031.78-1,324.27

Finding the Fourth Proportional to 1,361.94, 2,031.78 and 1,324.27

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Solution

The fourth proportional to 1,361.94, 2,031.78 and 1,324.27 is: 1,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361.94 : 2,031.78 = 1,324.27 : x
  2. Step 2: Convert to fraction form
    1,361.94/2,031.78 = 1,324.27/x
  3. Step 3: Cross multiply
    1,361.94x = 2,031.78 × 1,324.27
  4. Step 4: Simplify right side
    1,361.94x = 2,690,625.30
  5. Step 5: Solve for x
    x = 2,690,625.30/1,361.94
  6. Step 6: Final answer
    x = 1,975.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.