Home / 3,682.09-5,514.63-2,218.02

Finding the Fourth Proportional to 3,682.09, 5,514.63 and 2,218.02

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Solution

The fourth proportional to 3,682.09, 5,514.63 and 2,218.02 is: 3,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.09 : 5,514.63 = 2,218.02 : x
  2. Step 2: Convert to fraction form
    3,682.09/5,514.63 = 2,218.02/x
  3. Step 3: Cross multiply
    3,682.09x = 5,514.63 × 2,218.02
  4. Step 4: Simplify right side
    3,682.09x = 12,231,559.63
  5. Step 5: Solve for x
    x = 12,231,559.63/3,682.09
  6. Step 6: Final answer
    x = 3,321.91

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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.