Home / 2,749.12-4,113.34-1,634.43

Finding the Fourth Proportional to 2,749.12, 4,113.34 and 1,634.43

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Solution

The fourth proportional to 2,749.12, 4,113.34 and 1,634.43 is: 2,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.12 : 4,113.34 = 1,634.43 : x
  2. Step 2: Convert to fraction form
    2,749.12/4,113.34 = 1,634.43/x
  3. Step 3: Cross multiply
    2,749.12x = 4,113.34 × 1,634.43
  4. Step 4: Simplify right side
    2,749.12x = 6,722,958.12
  5. Step 5: Solve for x
    x = 6,722,958.12/2,749.12
  6. Step 6: Final answer
    x = 2,445.50

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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.