Home / 3,790.80-5,680.73-2,227.10

Finding the Fourth Proportional to 3,790.80, 5,680.73 and 2,227.10

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Solution

The fourth proportional to 3,790.80, 5,680.73 and 2,227.10 is: 3,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.80 : 5,680.73 = 2,227.10 : x
  2. Step 2: Convert to fraction form
    3,790.80/5,680.73 = 2,227.10/x
  3. Step 3: Cross multiply
    3,790.80x = 5,680.73 × 2,227.10
  4. Step 4: Simplify right side
    3,790.80x = 12,651,530.95
  5. Step 5: Solve for x
    x = 12,651,530.95/3,790.80
  6. Step 6: Final answer
    x = 3,337.43

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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.