Home / 1,958.48-2,702.36-1,249.12

Finding the Fourth Proportional to 1,958.48, 2,702.36 and 1,249.12

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Solution

The fourth proportional to 1,958.48, 2,702.36 and 1,249.12 is: 1,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.48 : 2,702.36 = 1,249.12 : x
  2. Step 2: Convert to fraction form
    1,958.48/2,702.36 = 1,249.12/x
  3. Step 3: Cross multiply
    1,958.48x = 2,702.36 × 1,249.12
  4. Step 4: Simplify right side
    1,958.48x = 3,375,578.42
  5. Step 5: Solve for x
    x = 3,375,578.42/1,958.48
  6. Step 6: Final answer
    x = 1,723.57

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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.