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Finding the Fourth Proportional to 3,343.83, 5,015.81 and 1,035.39

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Solution

The fourth proportional to 3,343.83, 5,015.81 and 1,035.39 is: 1,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.83 : 5,015.81 = 1,035.39 : x
  2. Step 2: Convert to fraction form
    3,343.83/5,015.81 = 1,035.39/x
  3. Step 3: Cross multiply
    3,343.83x = 5,015.81 × 1,035.39
  4. Step 4: Simplify right side
    3,343.83x = 5,193,314.34
  5. Step 5: Solve for x
    x = 5,193,314.34/3,343.83
  6. Step 6: Final answer
    x = 1,553.10

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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.