Home / 3,161.12-4,361.82-1,834.58

Finding the Fourth Proportional to 3,161.12, 4,361.82 and 1,834.58

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Solution

The fourth proportional to 3,161.12, 4,361.82 and 1,834.58 is: 2,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.12 : 4,361.82 = 1,834.58 : x
  2. Step 2: Convert to fraction form
    3,161.12/4,361.82 = 1,834.58/x
  3. Step 3: Cross multiply
    3,161.12x = 4,361.82 × 1,834.58
  4. Step 4: Simplify right side
    3,161.12x = 8,002,107.74
  5. Step 5: Solve for x
    x = 8,002,107.74/3,161.12
  6. Step 6: Final answer
    x = 2,531.42

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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.