Home / 3,513.83-4,850.01-2,021.92

Finding the Fourth Proportional to 3,513.83, 4,850.01 and 2,021.92

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Solution

The fourth proportional to 3,513.83, 4,850.01 and 2,021.92 is: 2,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.83 : 4,850.01 = 2,021.92 : x
  2. Step 2: Convert to fraction form
    3,513.83/4,850.01 = 2,021.92/x
  3. Step 3: Cross multiply
    3,513.83x = 4,850.01 × 2,021.92
  4. Step 4: Simplify right side
    3,513.83x = 9,806,320.09
  5. Step 5: Solve for x
    x = 9,806,320.09/3,513.83
  6. Step 6: Final answer
    x = 2,790.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.