Home / 3,694.04-5,097.78-2,015.45

Finding the Fourth Proportional to 3,694.04, 5,097.78 and 2,015.45

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Solution

The fourth proportional to 3,694.04, 5,097.78 and 2,015.45 is: 2,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.04 : 5,097.78 = 2,015.45 : x
  2. Step 2: Convert to fraction form
    3,694.04/5,097.78 = 2,015.45/x
  3. Step 3: Cross multiply
    3,694.04x = 5,097.78 × 2,015.45
  4. Step 4: Simplify right side
    3,694.04x = 10,274,320.70
  5. Step 5: Solve for x
    x = 10,274,320.70/3,694.04
  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.