Home / 2,936.64-4,405.05-1,292.79

Finding the Fourth Proportional to 2,936.64, 4,405.05 and 1,292.79

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Solution

The fourth proportional to 2,936.64, 4,405.05 and 1,292.79 is: 1,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.64 : 4,405.05 = 1,292.79 : x
  2. Step 2: Convert to fraction form
    2,936.64/4,405.05 = 1,292.79/x
  3. Step 3: Cross multiply
    2,936.64x = 4,405.05 × 1,292.79
  4. Step 4: Simplify right side
    2,936.64x = 5,694,804.59
  5. Step 5: Solve for x
    x = 5,694,804.59/2,936.64
  6. Step 6: Final answer
    x = 1,939.22

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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.