Home / 3,426.71-5,141.07-1,967.09

Finding the Fourth Proportional to 3,426.71, 5,141.07 and 1,967.09

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Solution

The fourth proportional to 3,426.71, 5,141.07 and 1,967.09 is: 2,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.71 : 5,141.07 = 1,967.09 : x
  2. Step 2: Convert to fraction form
    3,426.71/5,141.07 = 1,967.09/x
  3. Step 3: Cross multiply
    3,426.71x = 5,141.07 × 1,967.09
  4. Step 4: Simplify right side
    3,426.71x = 10,112,921.68
  5. Step 5: Solve for x
    x = 10,112,921.68/3,426.71
  6. Step 6: Final answer
    x = 2,951.21

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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.