Home / 2,691.41-4,038.67-1,131.27

Finding the Fourth Proportional to 2,691.41, 4,038.67 and 1,131.27

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Solution

The fourth proportional to 2,691.41, 4,038.67 and 1,131.27 is: 1,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.41 : 4,038.67 = 1,131.27 : x
  2. Step 2: Convert to fraction form
    2,691.41/4,038.67 = 1,131.27/x
  3. Step 3: Cross multiply
    2,691.41x = 4,038.67 × 1,131.27
  4. Step 4: Simplify right side
    2,691.41x = 4,568,826.21
  5. Step 5: Solve for x
    x = 4,568,826.21/2,691.41
  6. Step 6: Final answer
    x = 1,697.56

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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.