Home / 3,721.94-5,587.01-2,163.70

Finding the Fourth Proportional to 3,721.94, 5,587.01 and 2,163.70

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Solution

The fourth proportional to 3,721.94, 5,587.01 and 2,163.70 is: 3,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.94 : 5,587.01 = 2,163.70 : x
  2. Step 2: Convert to fraction form
    3,721.94/5,587.01 = 2,163.70/x
  3. Step 3: Cross multiply
    3,721.94x = 5,587.01 × 2,163.70
  4. Step 4: Simplify right side
    3,721.94x = 12,088,613.54
  5. Step 5: Solve for x
    x = 12,088,613.54/3,721.94
  6. Step 6: Final answer
    x = 3,247.93

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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.