Home / 3,530.85-5,297.67-1,682.79

Finding the Fourth Proportional to 3,530.85, 5,297.67 and 1,682.79

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Solution

The fourth proportional to 3,530.85, 5,297.67 and 1,682.79 is: 2,524.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.85 : 5,297.67 = 1,682.79 : x
  2. Step 2: Convert to fraction form
    3,530.85/5,297.67 = 1,682.79/x
  3. Step 3: Cross multiply
    3,530.85x = 5,297.67 × 1,682.79
  4. Step 4: Simplify right side
    3,530.85x = 8,914,866.10
  5. Step 5: Solve for x
    x = 8,914,866.10/3,530.85
  6. Step 6: Final answer
    x = 2,524.85

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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.