Home / 3,682.12-5,523.42-1,085.80

Finding the Fourth Proportional to 3,682.12, 5,523.42 and 1,085.80

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Solution

The fourth proportional to 3,682.12, 5,523.42 and 1,085.80 is: 1,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.12 : 5,523.42 = 1,085.80 : x
  2. Step 2: Convert to fraction form
    3,682.12/5,523.42 = 1,085.80/x
  3. Step 3: Cross multiply
    3,682.12x = 5,523.42 × 1,085.80
  4. Step 4: Simplify right side
    3,682.12x = 5,997,329.44
  5. Step 5: Solve for x
    x = 5,997,329.44/3,682.12
  6. Step 6: Final answer
    x = 1,628.77

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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.