Home / 3,638.34-5,020.98-2,066.44

Finding the Fourth Proportional to 3,638.34, 5,020.98 and 2,066.44

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Solution

The fourth proportional to 3,638.34, 5,020.98 and 2,066.44 is: 2,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.34 : 5,020.98 = 2,066.44 : x
  2. Step 2: Convert to fraction form
    3,638.34/5,020.98 = 2,066.44/x
  3. Step 3: Cross multiply
    3,638.34x = 5,020.98 × 2,066.44
  4. Step 4: Simplify right side
    3,638.34x = 10,375,553.91
  5. Step 5: Solve for x
    x = 10,375,553.91/3,638.34
  6. Step 6: Final answer
    x = 2,851.73

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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.