Home / 2,001.82-3,001.35-1,076.45

Finding the Fourth Proportional to 2,001.82, 3,001.35 and 1,076.45

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Solution

The fourth proportional to 2,001.82, 3,001.35 and 1,076.45 is: 1,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.82 : 3,001.35 = 1,076.45 : x
  2. Step 2: Convert to fraction form
    2,001.82/3,001.35 = 1,076.45/x
  3. Step 3: Cross multiply
    2,001.82x = 3,001.35 × 1,076.45
  4. Step 4: Simplify right side
    2,001.82x = 3,230,800.68
  5. Step 5: Solve for x
    x = 3,230,800.68/2,001.82
  6. Step 6: Final answer
    x = 1,613.93

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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.