Home / 3,721.75-5,586.73-2,163.51

Finding the Fourth Proportional to 3,721.75, 5,586.73 and 2,163.51

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Solution

The fourth proportional to 3,721.75, 5,586.73 and 2,163.51 is: 3,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.75 : 5,586.73 = 2,163.51 : x
  2. Step 2: Convert to fraction form
    3,721.75/5,586.73 = 2,163.51/x
  3. Step 3: Cross multiply
    3,721.75x = 5,586.73 × 2,163.51
  4. Step 4: Simplify right side
    3,721.75x = 12,086,946.22
  5. Step 5: Solve for x
    x = 12,086,946.22/3,721.75
  6. Step 6: Final answer
    x = 3,247.65

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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.