Home / 3,682.21-5,523.36-1,085.20

Finding the Fourth Proportional to 3,682.21, 5,523.36 and 1,085.20

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Solution

The fourth proportional to 3,682.21, 5,523.36 and 1,085.20 is: 1,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.21 : 5,523.36 = 1,085.20 : x
  2. Step 2: Convert to fraction form
    3,682.21/5,523.36 = 1,085.20/x
  3. Step 3: Cross multiply
    3,682.21x = 5,523.36 × 1,085.20
  4. Step 4: Simplify right side
    3,682.21x = 5,993,950.27
  5. Step 5: Solve for x
    x = 5,993,950.27/3,682.21
  6. Step 6: Final answer
    x = 1,627.81

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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.