Home / 3,941.44-5,438.10-2,262.76

Finding the Fourth Proportional to 3,941.44, 5,438.10 and 2,262.76

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Solution

The fourth proportional to 3,941.44, 5,438.10 and 2,262.76 is: 3,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.44 : 5,438.10 = 2,262.76 : x
  2. Step 2: Convert to fraction form
    3,941.44/5,438.10 = 2,262.76/x
  3. Step 3: Cross multiply
    3,941.44x = 5,438.10 × 2,262.76
  4. Step 4: Simplify right side
    3,941.44x = 12,305,115.16
  5. Step 5: Solve for x
    x = 12,305,115.16/3,941.44
  6. Step 6: Final answer
    x = 3,121.98

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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.