Home / 3,785.91-5,223.45-2,193.04

Finding the Fourth Proportional to 3,785.91, 5,223.45 and 2,193.04

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Solution

The fourth proportional to 3,785.91, 5,223.45 and 2,193.04 is: 3,025.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.91 : 5,223.45 = 2,193.04 : x
  2. Step 2: Convert to fraction form
    3,785.91/5,223.45 = 2,193.04/x
  3. Step 3: Cross multiply
    3,785.91x = 5,223.45 × 2,193.04
  4. Step 4: Simplify right side
    3,785.91x = 11,455,234.79
  5. Step 5: Solve for x
    x = 11,455,234.79/3,785.91
  6. Step 6: Final answer
    x = 3,025.75

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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.