Home / 3,785.11-5,223.04-2,106.38

Finding the Fourth Proportional to 3,785.11, 5,223.04 and 2,106.38

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Solution

The fourth proportional to 3,785.11, 5,223.04 and 2,106.38 is: 2,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.11 : 5,223.04 = 2,106.38 : x
  2. Step 2: Convert to fraction form
    3,785.11/5,223.04 = 2,106.38/x
  3. Step 3: Cross multiply
    3,785.11x = 5,223.04 × 2,106.38
  4. Step 4: Simplify right side
    3,785.11x = 11,001,714.79
  5. Step 5: Solve for x
    x = 11,001,714.79/3,785.11
  6. Step 6: Final answer
    x = 2,906.58

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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.