Home / 3,865.09-5,792.55-2,110.87

Finding the Fourth Proportional to 3,865.09, 5,792.55 and 2,110.87

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Solution

The fourth proportional to 3,865.09, 5,792.55 and 2,110.87 is: 3,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.09 : 5,792.55 = 2,110.87 : x
  2. Step 2: Convert to fraction form
    3,865.09/5,792.55 = 2,110.87/x
  3. Step 3: Cross multiply
    3,865.09x = 5,792.55 × 2,110.87
  4. Step 4: Simplify right side
    3,865.09x = 12,227,320.02
  5. Step 5: Solve for x
    x = 12,227,320.02/3,865.09
  6. Step 6: Final answer
    x = 3,163.53

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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.