Home / 2,343.94-3,226.41-2,122.51

Finding the Fourth Proportional to 2,343.94, 3,226.41 and 2,122.51

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Solution

The fourth proportional to 2,343.94, 3,226.41 and 2,122.51 is: 2,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.94 : 3,226.41 = 2,122.51 : x
  2. Step 2: Convert to fraction form
    2,343.94/3,226.41 = 2,122.51/x
  3. Step 3: Cross multiply
    2,343.94x = 3,226.41 × 2,122.51
  4. Step 4: Simplify right side
    2,343.94x = 6,848,087.49
  5. Step 5: Solve for x
    x = 6,848,087.49/2,343.94
  6. Step 6: Final answer
    x = 2,921.61

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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.