Home / 2,936.40-4,404.59-1,292.95

Finding the Fourth Proportional to 2,936.40, 4,404.59 and 1,292.95

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Solution

The fourth proportional to 2,936.40, 4,404.59 and 1,292.95 is: 1,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.40 : 4,404.59 = 1,292.95 : x
  2. Step 2: Convert to fraction form
    2,936.40/4,404.59 = 1,292.95/x
  3. Step 3: Cross multiply
    2,936.40x = 4,404.59 × 1,292.95
  4. Step 4: Simplify right side
    2,936.40x = 5,694,917.87
  5. Step 5: Solve for x
    x = 5,694,917.87/2,936.40
  6. Step 6: Final answer
    x = 1,939.43

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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.