Home / 1,680.96-2,519.32-1,194.12

Finding the Fourth Proportional to 1,680.96, 2,519.32 and 1,194.12

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Solution

The fourth proportional to 1,680.96, 2,519.32 and 1,194.12 is: 1,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.96 : 2,519.32 = 1,194.12 : x
  2. Step 2: Convert to fraction form
    1,680.96/2,519.32 = 1,194.12/x
  3. Step 3: Cross multiply
    1,680.96x = 2,519.32 × 1,194.12
  4. Step 4: Simplify right side
    1,680.96x = 3,008,370.40
  5. Step 5: Solve for x
    x = 3,008,370.40/1,680.96
  6. Step 6: Final answer
    x = 1,789.67

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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.