Home / 2,079.09-3,119.31-1,202.63

Finding the Fourth Proportional to 2,079.09, 3,119.31 and 1,202.63

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Solution

The fourth proportional to 2,079.09, 3,119.31 and 1,202.63 is: 1,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.09 : 3,119.31 = 1,202.63 : x
  2. Step 2: Convert to fraction form
    2,079.09/3,119.31 = 1,202.63/x
  3. Step 3: Cross multiply
    2,079.09x = 3,119.31 × 1,202.63
  4. Step 4: Simplify right side
    2,079.09x = 3,751,360.19
  5. Step 5: Solve for x
    x = 3,751,360.19/2,079.09
  6. Step 6: Final answer
    x = 1,804.33

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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.