Home / 3,694.08-5,097.70-2,015.50

Finding the Fourth Proportional to 3,694.08, 5,097.70 and 2,015.50

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Solution

The fourth proportional to 3,694.08, 5,097.70 and 2,015.50 is: 2,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.08 : 5,097.70 = 2,015.50 : x
  2. Step 2: Convert to fraction form
    3,694.08/5,097.70 = 2,015.50/x
  3. Step 3: Cross multiply
    3,694.08x = 5,097.70 × 2,015.50
  4. Step 4: Simplify right side
    3,694.08x = 10,274,414.35
  5. Step 5: Solve for x
    x = 10,274,414.35/3,694.08
  6. Step 6: Final answer
    x = 2,781.32

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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.