Home / 3,786.22-5,224.66-2,107.50

Finding the Fourth Proportional to 3,786.22, 5,224.66 and 2,107.50

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Solution

The fourth proportional to 3,786.22, 5,224.66 and 2,107.50 is: 2,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.22 : 5,224.66 = 2,107.50 : x
  2. Step 2: Convert to fraction form
    3,786.22/5,224.66 = 2,107.50/x
  3. Step 3: Cross multiply
    3,786.22x = 5,224.66 × 2,107.50
  4. Step 4: Simplify right side
    3,786.22x = 11,010,970.95
  5. Step 5: Solve for x
    x = 11,010,970.95/3,786.22
  6. Step 6: Final answer
    x = 2,908.17

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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.