Home / 1,960.69-2,921.94-1,901.36

Finding the Fourth Proportional to 1,960.69, 2,921.94 and 1,901.36

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Solution

The fourth proportional to 1,960.69, 2,921.94 and 1,901.36 is: 2,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.69 : 2,921.94 = 1,901.36 : x
  2. Step 2: Convert to fraction form
    1,960.69/2,921.94 = 1,901.36/x
  3. Step 3: Cross multiply
    1,960.69x = 2,921.94 × 1,901.36
  4. Step 4: Simplify right side
    1,960.69x = 5,555,659.84
  5. Step 5: Solve for x
    x = 5,555,659.84/1,960.69
  6. Step 6: Final answer
    x = 2,833.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.