Home / 3,929.46-5,893.27-1,155.39

Finding the Fourth Proportional to 3,929.46, 5,893.27 and 1,155.39

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Solution

The fourth proportional to 3,929.46, 5,893.27 and 1,155.39 is: 1,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.46 : 5,893.27 = 1,155.39 : x
  2. Step 2: Convert to fraction form
    3,929.46/5,893.27 = 1,155.39/x
  3. Step 3: Cross multiply
    3,929.46x = 5,893.27 × 1,155.39
  4. Step 4: Simplify right side
    3,929.46x = 6,809,000.24
  5. Step 5: Solve for x
    x = 6,809,000.24/3,929.46
  6. Step 6: Final answer
    x = 1,732.81

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1.5x scale

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.