Home / 3,494.20-4,812.60-3,231.46

Finding the Fourth Proportional to 3,494.20, 4,812.60 and 3,231.46

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Solution

The fourth proportional to 3,494.20, 4,812.60 and 3,231.46 is: 4,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.20 : 4,812.60 = 3,231.46 : x
  2. Step 2: Convert to fraction form
    3,494.20/4,812.60 = 3,231.46/x
  3. Step 3: Cross multiply
    3,494.20x = 4,812.60 × 3,231.46
  4. Step 4: Simplify right side
    3,494.20x = 15,551,724.40
  5. Step 5: Solve for x
    x = 15,551,724.40/3,494.20
  6. Step 6: Final answer
    x = 4,450.73

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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.