Home / 3,693.92-5,097.62-2,015.36

Finding the Fourth Proportional to 3,693.92, 5,097.62 and 2,015.36

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Solution

The fourth proportional to 3,693.92, 5,097.62 and 2,015.36 is: 2,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.92 : 5,097.62 = 2,015.36 : x
  2. Step 2: Convert to fraction form
    3,693.92/5,097.62 = 2,015.36/x
  3. Step 3: Cross multiply
    3,693.92x = 5,097.62 × 2,015.36
  4. Step 4: Simplify right side
    3,693.92x = 10,273,539.44
  5. Step 5: Solve for x
    x = 10,273,539.44/3,693.92
  6. Step 6: Final answer
    x = 2,781.21

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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.