Home / 2,181.63-3,005.96-1,481.79

Finding the Fourth Proportional to 2,181.63, 3,005.96 and 1,481.79

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Solution

The fourth proportional to 2,181.63, 3,005.96 and 1,481.79 is: 2,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.63 : 3,005.96 = 1,481.79 : x
  2. Step 2: Convert to fraction form
    2,181.63/3,005.96 = 1,481.79/x
  3. Step 3: Cross multiply
    2,181.63x = 3,005.96 × 1,481.79
  4. Step 4: Simplify right side
    2,181.63x = 4,454,194.06
  5. Step 5: Solve for x
    x = 4,454,194.06/2,181.63
  6. Step 6: Final answer
    x = 2,041.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.