Home / 3,785.85-5,224.53-2,107.41

Finding the Fourth Proportional to 3,785.85, 5,224.53 and 2,107.41

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Solution

The fourth proportional to 3,785.85, 5,224.53 and 2,107.41 is: 2,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.85 : 5,224.53 = 2,107.41 : x
  2. Step 2: Convert to fraction form
    3,785.85/5,224.53 = 2,107.41/x
  3. Step 3: Cross multiply
    3,785.85x = 5,224.53 × 2,107.41
  4. Step 4: Simplify right side
    3,785.85x = 11,010,226.77
  5. Step 5: Solve for x
    x = 11,010,226.77/3,785.85
  6. Step 6: Final answer
    x = 2,908.26

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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.