Home / 3,053.94-4,212.38-2,168.22

Finding the Fourth Proportional to 3,053.94, 4,212.38 and 2,168.22

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Solution

The fourth proportional to 3,053.94, 4,212.38 and 2,168.22 is: 2,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.94 : 4,212.38 = 2,168.22 : x
  2. Step 2: Convert to fraction form
    3,053.94/4,212.38 = 2,168.22/x
  3. Step 3: Cross multiply
    3,053.94x = 4,212.38 × 2,168.22
  4. Step 4: Simplify right side
    3,053.94x = 9,133,366.56
  5. Step 5: Solve for x
    x = 9,133,366.56/3,053.94
  6. Step 6: Final answer
    x = 2,990.68

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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.