Home / 3,918.61-5,877.24-2,163.04

Finding the Fourth Proportional to 3,918.61, 5,877.24 and 2,163.04

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Solution

The fourth proportional to 3,918.61, 5,877.24 and 2,163.04 is: 3,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.61 : 5,877.24 = 2,163.04 : x
  2. Step 2: Convert to fraction form
    3,918.61/5,877.24 = 2,163.04/x
  3. Step 3: Cross multiply
    3,918.61x = 5,877.24 × 2,163.04
  4. Step 4: Simplify right side
    3,918.61x = 12,712,705.21
  5. Step 5: Solve for x
    x = 12,712,705.21/3,918.61
  6. Step 6: Final answer
    x = 3,244.19

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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.