Home / 2,051.08-3,076.36-664.29

Finding the Fourth Proportional to 2,051.08, 3,076.36 and 664.29

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Solution

The fourth proportional to 2,051.08, 3,076.36 and 664.29 is: 996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.08 : 3,076.36 = 664.29 : x
  2. Step 2: Convert to fraction form
    2,051.08/3,076.36 = 664.29/x
  3. Step 3: Cross multiply
    2,051.08x = 3,076.36 × 664.29
  4. Step 4: Simplify right side
    2,051.08x = 2,043,593.52
  5. Step 5: Solve for x
    x = 2,043,593.52/2,051.08
  6. Step 6: Final answer
    x = 996.35

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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.