Home / 3,785.28-5,223.22-2,106.24

Finding the Fourth Proportional to 3,785.28, 5,223.22 and 2,106.24

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Solution

The fourth proportional to 3,785.28, 5,223.22 and 2,106.24 is: 2,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.28 : 5,223.22 = 2,106.24 : x
  2. Step 2: Convert to fraction form
    3,785.28/5,223.22 = 2,106.24/x
  3. Step 3: Cross multiply
    3,785.28x = 5,223.22 × 2,106.24
  4. Step 4: Simplify right side
    3,785.28x = 11,001,354.89
  5. Step 5: Solve for x
    x = 11,001,354.89/3,785.28
  6. Step 6: Final answer
    x = 2,906.35

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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.