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Finding the Fourth Proportional to 2,761.08, 4,147.02 and 2,659.56

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Solution

The fourth proportional to 2,761.08, 4,147.02 and 2,659.56 is: 3,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.08 : 4,147.02 = 2,659.56 : x
  2. Step 2: Convert to fraction form
    2,761.08/4,147.02 = 2,659.56/x
  3. Step 3: Cross multiply
    2,761.08x = 4,147.02 × 2,659.56
  4. Step 4: Simplify right side
    2,761.08x = 11,029,248.51
  5. Step 5: Solve for x
    x = 11,029,248.51/2,761.08
  6. Step 6: Final answer
    x = 3,994.54

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1.5x scale

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.