Home / 3,387.26-5,081.70-1,196.21

Finding the Fourth Proportional to 3,387.26, 5,081.70 and 1,196.21

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Solution

The fourth proportional to 3,387.26, 5,081.70 and 1,196.21 is: 1,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.26 : 5,081.70 = 1,196.21 : x
  2. Step 2: Convert to fraction form
    3,387.26/5,081.70 = 1,196.21/x
  3. Step 3: Cross multiply
    3,387.26x = 5,081.70 × 1,196.21
  4. Step 4: Simplify right side
    3,387.26x = 6,078,754.95
  5. Step 5: Solve for x
    x = 6,078,754.95/3,387.26
  6. Step 6: Final answer
    x = 1,794.60

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1.5x scale

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.