Home / 3,846.42-5,311.17-2,665.44

Finding the Fourth Proportional to 3,846.42, 5,311.17 and 2,665.44

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Solution

The fourth proportional to 3,846.42, 5,311.17 and 2,665.44 is: 3,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.42 : 5,311.17 = 2,665.44 : x
  2. Step 2: Convert to fraction form
    3,846.42/5,311.17 = 2,665.44/x
  3. Step 3: Cross multiply
    3,846.42x = 5,311.17 × 2,665.44
  4. Step 4: Simplify right side
    3,846.42x = 14,156,604.96
  5. Step 5: Solve for x
    x = 14,156,604.96/3,846.42
  6. Step 6: Final answer
    x = 3,680.46

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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.