Home / 3,682.58-5,524.56-1,218.12

Finding the Fourth Proportional to 3,682.58, 5,524.56 and 1,218.12

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Solution

The fourth proportional to 3,682.58, 5,524.56 and 1,218.12 is: 1,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.58 : 5,524.56 = 1,218.12 : x
  2. Step 2: Convert to fraction form
    3,682.58/5,524.56 = 1,218.12/x
  3. Step 3: Cross multiply
    3,682.58x = 5,524.56 × 1,218.12
  4. Step 4: Simplify right side
    3,682.58x = 6,729,577.03
  5. Step 5: Solve for x
    x = 6,729,577.03/3,682.58
  6. Step 6: Final answer
    x = 1,827.41

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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.