Home / 3,941.05-5,437.12-2,261.85

Finding the Fourth Proportional to 3,941.05, 5,437.12 and 2,261.85

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Solution

The fourth proportional to 3,941.05, 5,437.12 and 2,261.85 is: 3,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.05 : 5,437.12 = 2,261.85 : x
  2. Step 2: Convert to fraction form
    3,941.05/5,437.12 = 2,261.85/x
  3. Step 3: Cross multiply
    3,941.05x = 5,437.12 × 2,261.85
  4. Step 4: Simplify right side
    3,941.05x = 12,297,949.87
  5. Step 5: Solve for x
    x = 12,297,949.87/3,941.05
  6. Step 6: Final answer
    x = 3,120.48

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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.