Home / 1,232.64-1,849.26-1,131.39

Finding the Fourth Proportional to 1,232.64, 1,849.26 and 1,131.39

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Solution

The fourth proportional to 1,232.64, 1,849.26 and 1,131.39 is: 1,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.64 : 1,849.26 = 1,131.39 : x
  2. Step 2: Convert to fraction form
    1,232.64/1,849.26 = 1,131.39/x
  3. Step 3: Cross multiply
    1,232.64x = 1,849.26 × 1,131.39
  4. Step 4: Simplify right side
    1,232.64x = 2,092,234.27
  5. Step 5: Solve for x
    x = 2,092,234.27/1,232.64
  6. Step 6: Final answer
    x = 1,697.36

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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.