Home / 3,693.01-5,097.14-2,121.97

Finding the Fourth Proportional to 3,693.01, 5,097.14 and 2,121.97

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Solution

The fourth proportional to 3,693.01, 5,097.14 and 2,121.97 is: 2,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.01 : 5,097.14 = 2,121.97 : x
  2. Step 2: Convert to fraction form
    3,693.01/5,097.14 = 2,121.97/x
  3. Step 3: Cross multiply
    3,693.01x = 5,097.14 × 2,121.97
  4. Step 4: Simplify right side
    3,693.01x = 10,815,978.17
  5. Step 5: Solve for x
    x = 10,815,978.17/3,693.01
  6. Step 6: Final answer
    x = 2,928.77

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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.