Home / 2,076.22-2,865.06-1,180

Finding the Fourth Proportional to 2,076.22, 2,865.06 and 1,180

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Solution

The fourth proportional to 2,076.22, 2,865.06 and 1,180 is: 1,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.22 : 2,865.06 = 1,180 : x
  2. Step 2: Convert to fraction form
    2,076.22/2,865.06 = 1,180/x
  3. Step 3: Cross multiply
    2,076.22x = 2,865.06 × 1,180
  4. Step 4: Simplify right side
    2,076.22x = 3,380,770.80
  5. Step 5: Solve for x
    x = 3,380,770.80/2,076.22
  6. Step 6: Final answer
    x = 1,628.33

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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.