Home / 3,442.90-4,749.37-2,181.73

Finding the Fourth Proportional to 3,442.90, 4,749.37 and 2,181.73

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Solution

The fourth proportional to 3,442.90, 4,749.37 and 2,181.73 is: 3,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.90 : 4,749.37 = 2,181.73 : x
  2. Step 2: Convert to fraction form
    3,442.90/4,749.37 = 2,181.73/x
  3. Step 3: Cross multiply
    3,442.90x = 4,749.37 × 2,181.73
  4. Step 4: Simplify right side
    3,442.90x = 10,361,843.01
  5. Step 5: Solve for x
    x = 10,361,843.01/3,442.90
  6. Step 6: Final answer
    x = 3,009.63

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1.5x scale

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.