Home / 3,785.13-5,224.32-2,107.13

Finding the Fourth Proportional to 3,785.13, 5,224.32 and 2,107.13

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Solution

The fourth proportional to 3,785.13, 5,224.32 and 2,107.13 is: 2,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.13 : 5,224.32 = 2,107.13 : x
  2. Step 2: Convert to fraction form
    3,785.13/5,224.32 = 2,107.13/x
  3. Step 3: Cross multiply
    3,785.13x = 5,224.32 × 2,107.13
  4. Step 4: Simplify right side
    3,785.13x = 11,008,295.28
  5. Step 5: Solve for x
    x = 11,008,295.28/3,785.13
  6. Step 6: Final answer
    x = 2,908.30

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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.