Home / 3,638.62-5,021.31-2,066.68

Finding the Fourth Proportional to 3,638.62, 5,021.31 and 2,066.68

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Solution

The fourth proportional to 3,638.62, 5,021.31 and 2,066.68 is: 2,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.62 : 5,021.31 = 2,066.68 : x
  2. Step 2: Convert to fraction form
    3,638.62/5,021.31 = 2,066.68/x
  3. Step 3: Cross multiply
    3,638.62x = 5,021.31 × 2,066.68
  4. Step 4: Simplify right side
    3,638.62x = 10,377,440.95
  5. Step 5: Solve for x
    x = 10,377,440.95/3,638.62
  6. Step 6: Final answer
    x = 2,852.03

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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.