Home / 2,698.43-3,722.94-2,200.21

Finding the Fourth Proportional to 2,698.43, 3,722.94 and 2,200.21

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Solution

The fourth proportional to 2,698.43, 3,722.94 and 2,200.21 is: 3,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.43 : 3,722.94 = 2,200.21 : x
  2. Step 2: Convert to fraction form
    2,698.43/3,722.94 = 2,200.21/x
  3. Step 3: Cross multiply
    2,698.43x = 3,722.94 × 2,200.21
  4. Step 4: Simplify right side
    2,698.43x = 8,191,249.82
  5. Step 5: Solve for x
    x = 8,191,249.82/2,698.43
  6. Step 6: Final answer
    x = 3,035.56

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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.