Home / 2,981.88-4,468.26-1,249.56

Finding the Fourth Proportional to 2,981.88, 4,468.26 and 1,249.56

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Solution

The fourth proportional to 2,981.88, 4,468.26 and 1,249.56 is: 1,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.88 : 4,468.26 = 1,249.56 : x
  2. Step 2: Convert to fraction form
    2,981.88/4,468.26 = 1,249.56/x
  3. Step 3: Cross multiply
    2,981.88x = 4,468.26 × 1,249.56
  4. Step 4: Simplify right side
    2,981.88x = 5,583,358.97
  5. Step 5: Solve for x
    x = 5,583,358.97/2,981.88
  6. Step 6: Final answer
    x = 1,872.43

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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.