Home / 3,864.64-5,333.30-2,185.97

Finding the Fourth Proportional to 3,864.64, 5,333.30 and 2,185.97

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Solution

The fourth proportional to 3,864.64, 5,333.30 and 2,185.97 is: 3,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.64 : 5,333.30 = 2,185.97 : x
  2. Step 2: Convert to fraction form
    3,864.64/5,333.30 = 2,185.97/x
  3. Step 3: Cross multiply
    3,864.64x = 5,333.30 × 2,185.97
  4. Step 4: Simplify right side
    3,864.64x = 11,658,396.20
  5. Step 5: Solve for x
    x = 11,658,396.20/3,864.64
  6. Step 6: Final answer
    x = 3,016.69

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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.