Home / 2,001.78-3,003.48-1,076.76

Finding the Fourth Proportional to 2,001.78, 3,003.48 and 1,076.76

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Solution

The fourth proportional to 2,001.78, 3,003.48 and 1,076.76 is: 1,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.78 : 3,003.48 = 1,076.76 : x
  2. Step 2: Convert to fraction form
    2,001.78/3,003.48 = 1,076.76/x
  3. Step 3: Cross multiply
    2,001.78x = 3,003.48 × 1,076.76
  4. Step 4: Simplify right side
    2,001.78x = 3,234,027.12
  5. Step 5: Solve for x
    x = 3,234,027.12/2,001.78
  6. Step 6: Final answer
    x = 1,615.58

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1.5x scale

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.