Home / 3,676.39-5,514.57-1,485.09

Finding the Fourth Proportional to 3,676.39, 5,514.57 and 1,485.09

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Solution

The fourth proportional to 3,676.39, 5,514.57 and 1,485.09 is: 2,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.39 : 5,514.57 = 1,485.09 : x
  2. Step 2: Convert to fraction form
    3,676.39/5,514.57 = 1,485.09/x
  3. Step 3: Cross multiply
    3,676.39x = 5,514.57 × 1,485.09
  4. Step 4: Simplify right side
    3,676.39x = 8,189,632.76
  5. Step 5: Solve for x
    x = 8,189,632.76/3,676.39
  6. Step 6: Final answer
    x = 2,227.63

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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.