Home / 3,390.26-5,085.36-1,198.46

Finding the Fourth Proportional to 3,390.26, 5,085.36 and 1,198.46

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Solution

The fourth proportional to 3,390.26, 5,085.36 and 1,198.46 is: 1,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.26 : 5,085.36 = 1,198.46 : x
  2. Step 2: Convert to fraction form
    3,390.26/5,085.36 = 1,198.46/x
  3. Step 3: Cross multiply
    3,390.26x = 5,085.36 × 1,198.46
  4. Step 4: Simplify right side
    3,390.26x = 6,094,600.55
  5. Step 5: Solve for x
    x = 6,094,600.55/3,390.26
  6. Step 6: Final answer
    x = 1,797.68

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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.