Home / 2,531.86-3,794.65-1,144.80

Finding the Fourth Proportional to 2,531.86, 3,794.65 and 1,144.80

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Solution

The fourth proportional to 2,531.86, 3,794.65 and 1,144.80 is: 1,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.86 : 3,794.65 = 1,144.80 : x
  2. Step 2: Convert to fraction form
    2,531.86/3,794.65 = 1,144.80/x
  3. Step 3: Cross multiply
    2,531.86x = 3,794.65 × 1,144.80
  4. Step 4: Simplify right side
    2,531.86x = 4,344,112.46
  5. Step 5: Solve for x
    x = 4,344,112.46/2,531.86
  6. Step 6: Final answer
    x = 1,715.78

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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.