Home / 1,981.85-2,734.97-1,097.67

Finding the Fourth Proportional to 1,981.85, 2,734.97 and 1,097.67

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Solution

The fourth proportional to 1,981.85, 2,734.97 and 1,097.67 is: 1,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.85 : 2,734.97 = 1,097.67 : x
  2. Step 2: Convert to fraction form
    1,981.85/2,734.97 = 1,097.67/x
  3. Step 3: Cross multiply
    1,981.85x = 2,734.97 × 1,097.67
  4. Step 4: Simplify right side
    1,981.85x = 3,002,083.59
  5. Step 5: Solve for x
    x = 3,002,083.59/1,981.85
  6. Step 6: Final answer
    x = 1,514.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.