Home / 1,994.39-2,751.99-1,110.08

Finding the Fourth Proportional to 1,994.39, 2,751.99 and 1,110.08

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Solution

The fourth proportional to 1,994.39, 2,751.99 and 1,110.08 is: 1,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.39 : 2,751.99 = 1,110.08 : x
  2. Step 2: Convert to fraction form
    1,994.39/2,751.99 = 1,110.08/x
  3. Step 3: Cross multiply
    1,994.39x = 2,751.99 × 1,110.08
  4. Step 4: Simplify right side
    1,994.39x = 3,054,929.06
  5. Step 5: Solve for x
    x = 3,054,929.06/1,994.39
  6. Step 6: Final answer
    x = 1,531.76

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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.