Home / 1,850.94-2,778.82-1,698.12

Finding the Fourth Proportional to 1,850.94, 2,778.82 and 1,698.12

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Solution

The fourth proportional to 1,850.94, 2,778.82 and 1,698.12 is: 2,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.94 : 2,778.82 = 1,698.12 : x
  2. Step 2: Convert to fraction form
    1,850.94/2,778.82 = 1,698.12/x
  3. Step 3: Cross multiply
    1,850.94x = 2,778.82 × 1,698.12
  4. Step 4: Simplify right side
    1,850.94x = 4,718,769.82
  5. Step 5: Solve for x
    x = 4,718,769.82/1,850.94
  6. Step 6: Final answer
    x = 2,549.39

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1.5x scale

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.