Home / 3,517.56-5,274.79-1,669.20

Finding the Fourth Proportional to 3,517.56, 5,274.79 and 1,669.20

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Solution

The fourth proportional to 3,517.56, 5,274.79 and 1,669.20 is: 2,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.56 : 5,274.79 = 1,669.20 : x
  2. Step 2: Convert to fraction form
    3,517.56/5,274.79 = 1,669.20/x
  3. Step 3: Cross multiply
    3,517.56x = 5,274.79 × 1,669.20
  4. Step 4: Simplify right side
    3,517.56x = 8,804,679.47
  5. Step 5: Solve for x
    x = 8,804,679.47/3,517.56
  6. Step 6: Final answer
    x = 2,503.06

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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.