Home / 2,838.97-3,917.69-1,579.99

Finding the Fourth Proportional to 2,838.97, 3,917.69 and 1,579.99

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Solution

The fourth proportional to 2,838.97, 3,917.69 and 1,579.99 is: 2,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.97 : 3,917.69 = 1,579.99 : x
  2. Step 2: Convert to fraction form
    2,838.97/3,917.69 = 1,579.99/x
  3. Step 3: Cross multiply
    2,838.97x = 3,917.69 × 1,579.99
  4. Step 4: Simplify right side
    2,838.97x = 6,189,911.02
  5. Step 5: Solve for x
    x = 6,189,911.02/2,838.97
  6. Step 6: Final answer
    x = 2,180.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.