Home / 3,819.54-5,264.78-2,698.68

Finding the Fourth Proportional to 3,819.54, 5,264.78 and 2,698.68

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Solution

The fourth proportional to 3,819.54, 5,264.78 and 2,698.68 is: 3,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.54 : 5,264.78 = 2,698.68 : x
  2. Step 2: Convert to fraction form
    3,819.54/5,264.78 = 2,698.68/x
  3. Step 3: Cross multiply
    3,819.54x = 5,264.78 × 2,698.68
  4. Step 4: Simplify right side
    3,819.54x = 14,207,943.00
  5. Step 5: Solve for x
    x = 14,207,943.00/3,819.54
  6. Step 6: Final answer
    x = 3,719.80

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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.