Home / 1,993.98-2,751.66-1,109.85

Finding the Fourth Proportional to 1,993.98, 2,751.66 and 1,109.85

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Solution

The fourth proportional to 1,993.98, 2,751.66 and 1,109.85 is: 1,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.98 : 2,751.66 = 1,109.85 : x
  2. Step 2: Convert to fraction form
    1,993.98/2,751.66 = 1,109.85/x
  3. Step 3: Cross multiply
    1,993.98x = 2,751.66 × 1,109.85
  4. Step 4: Simplify right side
    1,993.98x = 3,053,929.85
  5. Step 5: Solve for x
    x = 3,053,929.85/1,993.98
  6. Step 6: Final answer
    x = 1,531.57

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1.5x scale

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.