Home / 2,836.36-4,255.62-1,297

Finding the Fourth Proportional to 2,836.36, 4,255.62 and 1,297

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Solution

The fourth proportional to 2,836.36, 4,255.62 and 1,297 is: 1,945.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.36 : 4,255.62 = 1,297 : x
  2. Step 2: Convert to fraction form
    2,836.36/4,255.62 = 1,297/x
  3. Step 3: Cross multiply
    2,836.36x = 4,255.62 × 1,297
  4. Step 4: Simplify right side
    2,836.36x = 5,519,539.14
  5. Step 5: Solve for x
    x = 5,519,539.14/2,836.36
  6. Step 6: Final answer
    x = 1,945.99

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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.