Home / 3,786.53-5,225.36-2,107.94

Finding the Fourth Proportional to 3,786.53, 5,225.36 and 2,107.94

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Solution

The fourth proportional to 3,786.53, 5,225.36 and 2,107.94 is: 2,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.53 : 5,225.36 = 2,107.94 : x
  2. Step 2: Convert to fraction form
    3,786.53/5,225.36 = 2,107.94/x
  3. Step 3: Cross multiply
    3,786.53x = 5,225.36 × 2,107.94
  4. Step 4: Simplify right side
    3,786.53x = 11,014,708.69
  5. Step 5: Solve for x
    x = 11,014,708.69/3,786.53
  6. Step 6: Final answer
    x = 2,908.92

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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.