Home / 3,929.53-5,896.32-2,174.20

Finding the Fourth Proportional to 3,929.53, 5,896.32 and 2,174.20

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Solution

The fourth proportional to 3,929.53, 5,896.32 and 2,174.20 is: 3,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.53 : 5,896.32 = 2,174.20 : x
  2. Step 2: Convert to fraction form
    3,929.53/5,896.32 = 2,174.20/x
  3. Step 3: Cross multiply
    3,929.53x = 5,896.32 × 2,174.20
  4. Step 4: Simplify right side
    3,929.53x = 12,819,778.94
  5. Step 5: Solve for x
    x = 12,819,778.94/3,929.53
  6. Step 6: Final answer
    x = 3,262.42

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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.