Home / 3,794.49-5,238.81-2,908.62

Finding the Fourth Proportional to 3,794.49, 5,238.81 and 2,908.62

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Solution

The fourth proportional to 3,794.49, 5,238.81 and 2,908.62 is: 4,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.49 : 5,238.81 = 2,908.62 : x
  2. Step 2: Convert to fraction form
    3,794.49/5,238.81 = 2,908.62/x
  3. Step 3: Cross multiply
    3,794.49x = 5,238.81 × 2,908.62
  4. Step 4: Simplify right side
    3,794.49x = 15,237,707.54
  5. Step 5: Solve for x
    x = 15,237,707.54/3,794.49
  6. Step 6: Final answer
    x = 4,015.75

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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.