Home / 1,679.09-2,514.96-1,190.66

Finding the Fourth Proportional to 1,679.09, 2,514.96 and 1,190.66

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Solution

The fourth proportional to 1,679.09, 2,514.96 and 1,190.66 is: 1,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.09 : 2,514.96 = 1,190.66 : x
  2. Step 2: Convert to fraction form
    1,679.09/2,514.96 = 1,190.66/x
  3. Step 3: Cross multiply
    1,679.09x = 2,514.96 × 1,190.66
  4. Step 4: Simplify right side
    1,679.09x = 2,994,449.70
  5. Step 5: Solve for x
    x = 2,994,449.70/1,679.09
  6. Step 6: Final answer
    x = 1,783.38

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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.