Home / 3,630.44-5,447.30-1,682.12

Finding the Fourth Proportional to 3,630.44, 5,447.30 and 1,682.12

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Solution

The fourth proportional to 3,630.44, 5,447.30 and 1,682.12 is: 2,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.44 : 5,447.30 = 1,682.12 : x
  2. Step 2: Convert to fraction form
    3,630.44/5,447.30 = 1,682.12/x
  3. Step 3: Cross multiply
    3,630.44x = 5,447.30 × 1,682.12
  4. Step 4: Simplify right side
    3,630.44x = 9,163,012.28
  5. Step 5: Solve for x
    x = 9,163,012.28/3,630.44
  6. Step 6: Final answer
    x = 2,523.94

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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.