Home / 2,093.40-3,136.82-1,361.40

Finding the Fourth Proportional to 2,093.40, 3,136.82 and 1,361.40

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Solution

The fourth proportional to 2,093.40, 3,136.82 and 1,361.40 is: 2,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.40 : 3,136.82 = 1,361.40 : x
  2. Step 2: Convert to fraction form
    2,093.40/3,136.82 = 1,361.40/x
  3. Step 3: Cross multiply
    2,093.40x = 3,136.82 × 1,361.40
  4. Step 4: Simplify right side
    2,093.40x = 4,270,466.75
  5. Step 5: Solve for x
    x = 4,270,466.75/2,093.40
  6. Step 6: Final answer
    x = 2,039.97

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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.