Home / 3,785.97-5,224.41-2,107.29

Finding the Fourth Proportional to 3,785.97, 5,224.41 and 2,107.29

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Solution

The fourth proportional to 3,785.97, 5,224.41 and 2,107.29 is: 2,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.97 : 5,224.41 = 2,107.29 : x
  2. Step 2: Convert to fraction form
    3,785.97/5,224.41 = 2,107.29/x
  3. Step 3: Cross multiply
    3,785.97x = 5,224.41 × 2,107.29
  4. Step 4: Simplify right side
    3,785.97x = 11,009,346.95
  5. Step 5: Solve for x
    x = 11,009,346.95/3,785.97
  6. Step 6: Final answer
    x = 2,907.93

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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.