Home / 2,001.90-2,997.98-1,383.86

Finding the Fourth Proportional to 2,001.90, 2,997.98 and 1,383.86

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Solution

The fourth proportional to 2,001.90, 2,997.98 and 1,383.86 is: 2,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.90 : 2,997.98 = 1,383.86 : x
  2. Step 2: Convert to fraction form
    2,001.90/2,997.98 = 1,383.86/x
  3. Step 3: Cross multiply
    2,001.90x = 2,997.98 × 1,383.86
  4. Step 4: Simplify right side
    2,001.90x = 4,148,784.60
  5. Step 5: Solve for x
    x = 4,148,784.60/2,001.90
  6. Step 6: Final answer
    x = 2,072.42

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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.