Home / 3,929.43-5,893.32-1,155.36

Finding the Fourth Proportional to 3,929.43, 5,893.32 and 1,155.36

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Solution

The fourth proportional to 3,929.43, 5,893.32 and 1,155.36 is: 1,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.43 : 5,893.32 = 1,155.36 : x
  2. Step 2: Convert to fraction form
    3,929.43/5,893.32 = 1,155.36/x
  3. Step 3: Cross multiply
    3,929.43x = 5,893.32 × 1,155.36
  4. Step 4: Simplify right side
    3,929.43x = 6,808,906.20
  5. Step 5: Solve for x
    x = 6,808,906.20/3,929.43
  6. Step 6: Final answer
    x = 1,732.80

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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.