Home / 3,542.60-5,311.95-1,694.18

Finding the Fourth Proportional to 3,542.60, 5,311.95 and 1,694.18

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Solution

The fourth proportional to 3,542.60, 5,311.95 and 1,694.18 is: 2,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.60 : 5,311.95 = 1,694.18 : x
  2. Step 2: Convert to fraction form
    3,542.60/5,311.95 = 1,694.18/x
  3. Step 3: Cross multiply
    3,542.60x = 5,311.95 × 1,694.18
  4. Step 4: Simplify right side
    3,542.60x = 8,999,399.45
  5. Step 5: Solve for x
    x = 8,999,399.45/3,542.60
  6. Step 6: Final answer
    x = 2,540.34

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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.