Home / 3,935.66-5,902.11-1,161.60

Finding the Fourth Proportional to 3,935.66, 5,902.11 and 1,161.60

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Solution

The fourth proportional to 3,935.66, 5,902.11 and 1,161.60 is: 1,741.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.66 : 5,902.11 = 1,161.60 : x
  2. Step 2: Convert to fraction form
    3,935.66/5,902.11 = 1,161.60/x
  3. Step 3: Cross multiply
    3,935.66x = 5,902.11 × 1,161.60
  4. Step 4: Simplify right side
    3,935.66x = 6,855,890.98
  5. Step 5: Solve for x
    x = 6,855,890.98/3,935.66
  6. Step 6: Final answer
    x = 1,741.99

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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.