Home / 3,453.26-5,182.11-1,261.80

Finding the Fourth Proportional to 3,453.26, 5,182.11 and 1,261.80

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Solution

The fourth proportional to 3,453.26, 5,182.11 and 1,261.80 is: 1,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.26 : 5,182.11 = 1,261.80 : x
  2. Step 2: Convert to fraction form
    3,453.26/5,182.11 = 1,261.80/x
  3. Step 3: Cross multiply
    3,453.26x = 5,182.11 × 1,261.80
  4. Step 4: Simplify right side
    3,453.26x = 6,538,786.40
  5. Step 5: Solve for x
    x = 6,538,786.40/3,453.26
  6. Step 6: Final answer
    x = 1,893.51

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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.