Home / 3,513.84-4,847.97-2,021.22

Finding the Fourth Proportional to 3,513.84, 4,847.97 and 2,021.22

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Solution

The fourth proportional to 3,513.84, 4,847.97 and 2,021.22 is: 2,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.84 : 4,847.97 = 2,021.22 : x
  2. Step 2: Convert to fraction form
    3,513.84/4,847.97 = 2,021.22/x
  3. Step 3: Cross multiply
    3,513.84x = 4,847.97 × 2,021.22
  4. Step 4: Simplify right side
    3,513.84x = 9,798,813.92
  5. Step 5: Solve for x
    x = 9,798,813.92/3,513.84
  6. Step 6: Final answer
    x = 2,788.63

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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.