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Finding the Fourth Proportional to 3,935.04, 5,903.20 and 1,883.04

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Solution

The fourth proportional to 3,935.04, 5,903.20 and 1,883.04 is: 2,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.04 : 5,903.20 = 1,883.04 : x
  2. Step 2: Convert to fraction form
    3,935.04/5,903.20 = 1,883.04/x
  3. Step 3: Cross multiply
    3,935.04x = 5,903.20 × 1,883.04
  4. Step 4: Simplify right side
    3,935.04x = 11,115,961.73
  5. Step 5: Solve for x
    x = 11,115,961.73/3,935.04
  6. Step 6: Final answer
    x = 2,824.87

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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.