Home / 3,689.80-5,537.48-2,517.03

Finding the Fourth Proportional to 3,689.80, 5,537.48 and 2,517.03

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Solution

The fourth proportional to 3,689.80, 5,537.48 and 2,517.03 is: 3,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.80 : 5,537.48 = 2,517.03 : x
  2. Step 2: Convert to fraction form
    3,689.80/5,537.48 = 2,517.03/x
  3. Step 3: Cross multiply
    3,689.80x = 5,537.48 × 2,517.03
  4. Step 4: Simplify right side
    3,689.80x = 13,938,003.28
  5. Step 5: Solve for x
    x = 13,938,003.28/3,689.80
  6. Step 6: Final answer
    x = 3,777.44

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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.