Home / 2,694.60-4,037.99-1,860.80

Finding the Fourth Proportional to 2,694.60, 4,037.99 and 1,860.80

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Solution

The fourth proportional to 2,694.60, 4,037.99 and 1,860.80 is: 2,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.60 : 4,037.99 = 1,860.80 : x
  2. Step 2: Convert to fraction form
    2,694.60/4,037.99 = 1,860.80/x
  3. Step 3: Cross multiply
    2,694.60x = 4,037.99 × 1,860.80
  4. Step 4: Simplify right side
    2,694.60x = 7,513,906.54
  5. Step 5: Solve for x
    x = 7,513,906.54/2,694.60
  6. Step 6: Final answer
    x = 2,788.51

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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.