Home / 3,173.90-4,761.96-1,418.73

Finding the Fourth Proportional to 3,173.90, 4,761.96 and 1,418.73

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Solution

The fourth proportional to 3,173.90, 4,761.96 and 1,418.73 is: 2,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.90 : 4,761.96 = 1,418.73 : x
  2. Step 2: Convert to fraction form
    3,173.90/4,761.96 = 1,418.73/x
  3. Step 3: Cross multiply
    3,173.90x = 4,761.96 × 1,418.73
  4. Step 4: Simplify right side
    3,173.90x = 6,755,935.51
  5. Step 5: Solve for x
    x = 6,755,935.51/3,173.90
  6. Step 6: Final answer
    x = 2,128.59

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1.5x scale

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.