Home / 3,456.68-5,185.46-1,266.44

Finding the Fourth Proportional to 3,456.68, 5,185.46 and 1,266.44

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Solution

The fourth proportional to 3,456.68, 5,185.46 and 1,266.44 is: 1,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.68 : 5,185.46 = 1,266.44 : x
  2. Step 2: Convert to fraction form
    3,456.68/5,185.46 = 1,266.44/x
  3. Step 3: Cross multiply
    3,456.68x = 5,185.46 × 1,266.44
  4. Step 4: Simplify right side
    3,456.68x = 6,567,073.96
  5. Step 5: Solve for x
    x = 6,567,073.96/3,456.68
  6. Step 6: Final answer
    x = 1,899.82

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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.