Home / 3,439.14-4,744.89-2,112.36

Finding the Fourth Proportional to 3,439.14, 4,744.89 and 2,112.36

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Solution

The fourth proportional to 3,439.14, 4,744.89 and 2,112.36 is: 2,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.14 : 4,744.89 = 2,112.36 : x
  2. Step 2: Convert to fraction form
    3,439.14/4,744.89 = 2,112.36/x
  3. Step 3: Cross multiply
    3,439.14x = 4,744.89 × 2,112.36
  4. Step 4: Simplify right side
    3,439.14x = 10,022,915.84
  5. Step 5: Solve for x
    x = 10,022,915.84/3,439.14
  6. Step 6: Final answer
    x = 2,914.37

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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.