Home / 3,841.43-5,301.45-2,163.02

Finding the Fourth Proportional to 3,841.43, 5,301.45 and 2,163.02

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Solution

The fourth proportional to 3,841.43, 5,301.45 and 2,163.02 is: 2,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.43 : 5,301.45 = 2,163.02 : x
  2. Step 2: Convert to fraction form
    3,841.43/5,301.45 = 2,163.02/x
  3. Step 3: Cross multiply
    3,841.43x = 5,301.45 × 2,163.02
  4. Step 4: Simplify right side
    3,841.43x = 11,467,115.87
  5. Step 5: Solve for x
    x = 11,467,115.87/3,841.43
  6. Step 6: Final answer
    x = 2,985.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.