Home / 2,019.13-2,786.65-1,179.82

Finding the Fourth Proportional to 2,019.13, 2,786.65 and 1,179.82

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Solution

The fourth proportional to 2,019.13, 2,786.65 and 1,179.82 is: 1,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.13 : 2,786.65 = 1,179.82 : x
  2. Step 2: Convert to fraction form
    2,019.13/2,786.65 = 1,179.82/x
  3. Step 3: Cross multiply
    2,019.13x = 2,786.65 × 1,179.82
  4. Step 4: Simplify right side
    2,019.13x = 3,287,736.90
  5. Step 5: Solve for x
    x = 3,287,736.90/2,019.13
  6. Step 6: Final answer
    x = 1,628.30

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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.