Home / 3,786.12-5,224.22-2,107.48

Finding the Fourth Proportional to 3,786.12, 5,224.22 and 2,107.48

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Solution

The fourth proportional to 3,786.12, 5,224.22 and 2,107.48 is: 2,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.12 : 5,224.22 = 2,107.48 : x
  2. Step 2: Convert to fraction form
    3,786.12/5,224.22 = 2,107.48/x
  3. Step 3: Cross multiply
    3,786.12x = 5,224.22 × 2,107.48
  4. Step 4: Simplify right side
    3,786.12x = 11,009,933.27
  5. Step 5: Solve for x
    x = 11,009,933.27/3,786.12
  6. Step 6: Final answer
    x = 2,907.98

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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.