Home / 3,605.80-5,408.72-2,046.28

Finding the Fourth Proportional to 3,605.80, 5,408.72 and 2,046.28

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Solution

The fourth proportional to 3,605.80, 5,408.72 and 2,046.28 is: 3,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.80 : 5,408.72 = 2,046.28 : x
  2. Step 2: Convert to fraction form
    3,605.80/5,408.72 = 2,046.28/x
  3. Step 3: Cross multiply
    3,605.80x = 5,408.72 × 2,046.28
  4. Step 4: Simplify right side
    3,605.80x = 11,067,755.56
  5. Step 5: Solve for x
    x = 11,067,755.56/3,605.80
  6. Step 6: Final answer
    x = 3,069.43

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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.