Home / 3,422.15-4,724.60-2,245.27

Finding the Fourth Proportional to 3,422.15, 4,724.60 and 2,245.27

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Solution

The fourth proportional to 3,422.15, 4,724.60 and 2,245.27 is: 3,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.15 : 4,724.60 = 2,245.27 : x
  2. Step 2: Convert to fraction form
    3,422.15/4,724.60 = 2,245.27/x
  3. Step 3: Cross multiply
    3,422.15x = 4,724.60 × 2,245.27
  4. Step 4: Simplify right side
    3,422.15x = 10,607,991.42
  5. Step 5: Solve for x
    x = 10,607,991.42/3,422.15
  6. Step 6: Final answer
    x = 3,099.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.