Home / 3,942.73-5,916.93-2,299.78

Finding the Fourth Proportional to 3,942.73, 5,916.93 and 2,299.78

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Solution

The fourth proportional to 3,942.73, 5,916.93 and 2,299.78 is: 3,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.73 : 5,916.93 = 2,299.78 : x
  2. Step 2: Convert to fraction form
    3,942.73/5,916.93 = 2,299.78/x
  3. Step 3: Cross multiply
    3,942.73x = 5,916.93 × 2,299.78
  4. Step 4: Simplify right side
    3,942.73x = 13,607,637.28
  5. Step 5: Solve for x
    x = 13,607,637.28/3,942.73
  6. Step 6: Final answer
    x = 3,451.32

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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.