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Finding the Fourth Proportional to 2,826.48, 3,900.48 and 1,647.66

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Solution

The fourth proportional to 2,826.48, 3,900.48 and 1,647.66 is: 2,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.48 : 3,900.48 = 1,647.66 : x
  2. Step 2: Convert to fraction form
    2,826.48/3,900.48 = 1,647.66/x
  3. Step 3: Cross multiply
    2,826.48x = 3,900.48 × 1,647.66
  4. Step 4: Simplify right side
    2,826.48x = 6,426,664.88
  5. Step 5: Solve for x
    x = 6,426,664.88/2,826.48
  6. Step 6: Final answer
    x = 2,273.73

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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.