Home / 3,395.12-5,091.43-1,173.39

Finding the Fourth Proportional to 3,395.12, 5,091.43 and 1,173.39

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Solution

The fourth proportional to 3,395.12, 5,091.43 and 1,173.39 is: 1,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.12 : 5,091.43 = 1,173.39 : x
  2. Step 2: Convert to fraction form
    3,395.12/5,091.43 = 1,173.39/x
  3. Step 3: Cross multiply
    3,395.12x = 5,091.43 × 1,173.39
  4. Step 4: Simplify right side
    3,395.12x = 5,974,231.58
  5. Step 5: Solve for x
    x = 5,974,231.58/3,395.12
  6. Step 6: Final answer
    x = 1,759.65

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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.