Home / 3,942.60-5,441.18-2,946.15

Finding the Fourth Proportional to 3,942.60, 5,441.18 and 2,946.15

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Solution

The fourth proportional to 3,942.60, 5,441.18 and 2,946.15 is: 4,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.60 : 5,441.18 = 2,946.15 : x
  2. Step 2: Convert to fraction form
    3,942.60/5,441.18 = 2,946.15/x
  3. Step 3: Cross multiply
    3,942.60x = 5,441.18 × 2,946.15
  4. Step 4: Simplify right side
    3,942.60x = 16,030,517.73
  5. Step 5: Solve for x
    x = 16,030,517.73/3,942.60
  6. Step 6: Final answer
    x = 4,065.97

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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.