Home / 3,893.97-5,373.45-2,215.14

Finding the Fourth Proportional to 3,893.97, 5,373.45 and 2,215.14

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Solution

The fourth proportional to 3,893.97, 5,373.45 and 2,215.14 is: 3,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.97 : 5,373.45 = 2,215.14 : x
  2. Step 2: Convert to fraction form
    3,893.97/5,373.45 = 2,215.14/x
  3. Step 3: Cross multiply
    3,893.97x = 5,373.45 × 2,215.14
  4. Step 4: Simplify right side
    3,893.97x = 11,902,944.03
  5. Step 5: Solve for x
    x = 11,902,944.03/3,893.97
  6. Step 6: Final answer
    x = 3,056.76

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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.