Home / 3,638.09-5,020.29-2,065.88

Finding the Fourth Proportional to 3,638.09, 5,020.29 and 2,065.88

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Solution

The fourth proportional to 3,638.09, 5,020.29 and 2,065.88 is: 2,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.09 : 5,020.29 = 2,065.88 : x
  2. Step 2: Convert to fraction form
    3,638.09/5,020.29 = 2,065.88/x
  3. Step 3: Cross multiply
    3,638.09x = 5,020.29 × 2,065.88
  4. Step 4: Simplify right side
    3,638.09x = 10,371,291.60
  5. Step 5: Solve for x
    x = 10,371,291.60/3,638.09
  6. Step 6: Final answer
    x = 2,850.76

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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.