Home / 3,638.13-5,020.62-2,066.22

Finding the Fourth Proportional to 3,638.13, 5,020.62 and 2,066.22

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Solution

The fourth proportional to 3,638.13, 5,020.62 and 2,066.22 is: 2,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.13 : 5,020.62 = 2,066.22 : x
  2. Step 2: Convert to fraction form
    3,638.13/5,020.62 = 2,066.22/x
  3. Step 3: Cross multiply
    3,638.13x = 5,020.62 × 2,066.22
  4. Step 4: Simplify right side
    3,638.13x = 10,373,705.46
  5. Step 5: Solve for x
    x = 10,373,705.46/3,638.13
  6. Step 6: Final answer
    x = 2,851.38

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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.