Home / 3,700.75-5,107.05-2,022.19

Finding the Fourth Proportional to 3,700.75, 5,107.05 and 2,022.19

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Solution

The fourth proportional to 3,700.75, 5,107.05 and 2,022.19 is: 2,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.75 : 5,107.05 = 2,022.19 : x
  2. Step 2: Convert to fraction form
    3,700.75/5,107.05 = 2,022.19/x
  3. Step 3: Cross multiply
    3,700.75x = 5,107.05 × 2,022.19
  4. Step 4: Simplify right side
    3,700.75x = 10,327,425.44
  5. Step 5: Solve for x
    x = 10,327,425.44/3,700.75
  6. Step 6: Final answer
    x = 2,790.63

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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.