Home / 3,513.03-4,847.85-2,021.43

Finding the Fourth Proportional to 3,513.03, 4,847.85 and 2,021.43

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Solution

The fourth proportional to 3,513.03, 4,847.85 and 2,021.43 is: 2,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.03 : 4,847.85 = 2,021.43 : x
  2. Step 2: Convert to fraction form
    3,513.03/4,847.85 = 2,021.43/x
  3. Step 3: Cross multiply
    3,513.03x = 4,847.85 × 2,021.43
  4. Step 4: Simplify right side
    3,513.03x = 9,799,564.99
  5. Step 5: Solve for x
    x = 9,799,564.99/3,513.03
  6. Step 6: Final answer
    x = 2,789.49

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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.