Home / 3,160.86-4,361.94-1,725.22

Finding the Fourth Proportional to 3,160.86, 4,361.94 and 1,725.22

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Solution

The fourth proportional to 3,160.86, 4,361.94 and 1,725.22 is: 2,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.86 : 4,361.94 = 1,725.22 : x
  2. Step 2: Convert to fraction form
    3,160.86/4,361.94 = 1,725.22/x
  3. Step 3: Cross multiply
    3,160.86x = 4,361.94 × 1,725.22
  4. Step 4: Simplify right side
    3,160.86x = 7,525,306.13
  5. Step 5: Solve for x
    x = 7,525,306.13/3,160.86
  6. Step 6: Final answer
    x = 2,380.78

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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.