Home / 2,051.37-3,076.31-664.35

Finding the Fourth Proportional to 2,051.37, 3,076.31 and 664.35

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Solution

The fourth proportional to 2,051.37, 3,076.31 and 664.35 is: 996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.37 : 3,076.31 = 664.35 : x
  2. Step 2: Convert to fraction form
    2,051.37/3,076.31 = 664.35/x
  3. Step 3: Cross multiply
    2,051.37x = 3,076.31 × 664.35
  4. Step 4: Simplify right side
    2,051.37x = 2,043,743.23
  5. Step 5: Solve for x
    x = 2,043,743.23/2,051.37
  6. Step 6: Final answer
    x = 996.28

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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.