Home / 3,941.12-5,912.32-1,168.06

Finding the Fourth Proportional to 3,941.12, 5,912.32 and 1,168.06

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Solution

The fourth proportional to 3,941.12, 5,912.32 and 1,168.06 is: 1,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.12 : 5,912.32 = 1,168.06 : x
  2. Step 2: Convert to fraction form
    3,941.12/5,912.32 = 1,168.06/x
  3. Step 3: Cross multiply
    3,941.12x = 5,912.32 × 1,168.06
  4. Step 4: Simplify right side
    3,941.12x = 6,905,944.50
  5. Step 5: Solve for x
    x = 6,905,944.50/3,941.12
  6. Step 6: Final answer
    x = 1,752.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.