Home / 3,935.60-5,905.67-3,631.13

Finding the Fourth Proportional to 3,935.60, 5,905.67 and 3,631.13

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Solution

The fourth proportional to 3,935.60, 5,905.67 and 3,631.13 is: 5,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.60 : 5,905.67 = 3,631.13 : x
  2. Step 2: Convert to fraction form
    3,935.60/5,905.67 = 3,631.13/x
  3. Step 3: Cross multiply
    3,935.60x = 5,905.67 × 3,631.13
  4. Step 4: Simplify right side
    3,935.60x = 21,444,207.82
  5. Step 5: Solve for x
    x = 21,444,207.82/3,935.60
  6. Step 6: Final answer
    x = 5,448.78

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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.