Home / 2,675.07-4,003.42-1,687.43

Finding the Fourth Proportional to 2,675.07, 4,003.42 and 1,687.43

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Solution

The fourth proportional to 2,675.07, 4,003.42 and 1,687.43 is: 2,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.07 : 4,003.42 = 1,687.43 : x
  2. Step 2: Convert to fraction form
    2,675.07/4,003.42 = 1,687.43/x
  3. Step 3: Cross multiply
    2,675.07x = 4,003.42 × 1,687.43
  4. Step 4: Simplify right side
    2,675.07x = 6,755,462.56
  5. Step 5: Solve for x
    x = 6,755,462.56/2,675.07
  6. Step 6: Final answer
    x = 2,525.34

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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.