Home / 3,422.07-5,125.02-2,185.73

Finding the Fourth Proportional to 3,422.07, 5,125.02 and 2,185.73

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Solution

The fourth proportional to 3,422.07, 5,125.02 and 2,185.73 is: 3,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.07 : 5,125.02 = 2,185.73 : x
  2. Step 2: Convert to fraction form
    3,422.07/5,125.02 = 2,185.73/x
  3. Step 3: Cross multiply
    3,422.07x = 5,125.02 × 2,185.73
  4. Step 4: Simplify right side
    3,422.07x = 11,201,909.96
  5. Step 5: Solve for x
    x = 11,201,909.96/3,422.07
  6. Step 6: Final answer
    x = 3,273.43

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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.