Home / 3,844.20-5,304.99-2,165.61

Finding the Fourth Proportional to 3,844.20, 5,304.99 and 2,165.61

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Solution

The fourth proportional to 3,844.20, 5,304.99 and 2,165.61 is: 2,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.20 : 5,304.99 = 2,165.61 : x
  2. Step 2: Convert to fraction form
    3,844.20/5,304.99 = 2,165.61/x
  3. Step 3: Cross multiply
    3,844.20x = 5,304.99 × 2,165.61
  4. Step 4: Simplify right side
    3,844.20x = 11,488,539.39
  5. Step 5: Solve for x
    x = 11,488,539.39/3,844.20
  6. Step 6: Final answer
    x = 2,988.54

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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.