Home / 3,173.89-4,761.98-1,418.75

Finding the Fourth Proportional to 3,173.89, 4,761.98 and 1,418.75

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Solution

The fourth proportional to 3,173.89, 4,761.98 and 1,418.75 is: 2,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.89 : 4,761.98 = 1,418.75 : x
  2. Step 2: Convert to fraction form
    3,173.89/4,761.98 = 1,418.75/x
  3. Step 3: Cross multiply
    3,173.89x = 4,761.98 × 1,418.75
  4. Step 4: Simplify right side
    3,173.89x = 6,756,060.33
  5. Step 5: Solve for x
    x = 6,756,060.33/3,173.89
  6. Step 6: Final answer
    x = 2,128.64

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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.