Home / 3,841.42-5,301.66-2,163.15

Finding the Fourth Proportional to 3,841.42, 5,301.66 and 2,163.15

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Solution

The fourth proportional to 3,841.42, 5,301.66 and 2,163.15 is: 2,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.42 : 5,301.66 = 2,163.15 : x
  2. Step 2: Convert to fraction form
    3,841.42/5,301.66 = 2,163.15/x
  3. Step 3: Cross multiply
    3,841.42x = 5,301.66 × 2,163.15
  4. Step 4: Simplify right side
    3,841.42x = 11,468,285.83
  5. Step 5: Solve for x
    x = 11,468,285.83/3,841.42
  6. Step 6: Final answer
    x = 2,985.43

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Half scale
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Double scale
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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.