Home / 2,538.11-3,805.23-1,756.03

Finding the Fourth Proportional to 2,538.11, 3,805.23 and 1,756.03

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Solution

The fourth proportional to 2,538.11, 3,805.23 and 1,756.03 is: 2,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.11 : 3,805.23 = 1,756.03 : x
  2. Step 2: Convert to fraction form
    2,538.11/3,805.23 = 1,756.03/x
  3. Step 3: Cross multiply
    2,538.11x = 3,805.23 × 1,756.03
  4. Step 4: Simplify right side
    2,538.11x = 6,682,109.38
  5. Step 5: Solve for x
    x = 6,682,109.38/2,538.11
  6. Step 6: Final answer
    x = 2,632.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.