Home / 3,682.89-5,514.39-2,938.98

Finding the Fourth Proportional to 3,682.89, 5,514.39 and 2,938.98

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Solution

The fourth proportional to 3,682.89, 5,514.39 and 2,938.98 is: 4,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.89 : 5,514.39 = 2,938.98 : x
  2. Step 2: Convert to fraction form
    3,682.89/5,514.39 = 2,938.98/x
  3. Step 3: Cross multiply
    3,682.89x = 5,514.39 × 2,938.98
  4. Step 4: Simplify right side
    3,682.89x = 16,206,681.92
  5. Step 5: Solve for x
    x = 16,206,681.92/3,682.89
  6. Step 6: Final answer
    x = 4,400.53

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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.