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Finding the Fourth Proportional to 2,749.88, 3,796.62 and 1,818.92

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Solution

The fourth proportional to 2,749.88, 3,796.62 and 1,818.92 is: 2,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.88 : 3,796.62 = 1,818.92 : x
  2. Step 2: Convert to fraction form
    2,749.88/3,796.62 = 1,818.92/x
  3. Step 3: Cross multiply
    2,749.88x = 3,796.62 × 1,818.92
  4. Step 4: Simplify right side
    2,749.88x = 6,905,748.05
  5. Step 5: Solve for x
    x = 6,905,748.05/2,749.88
  6. Step 6: Final answer
    x = 2,511.29

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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.