Home / 1,777.29-2,664.45-1,230.54

Finding the Fourth Proportional to 1,777.29, 2,664.45 and 1,230.54

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Solution

The fourth proportional to 1,777.29, 2,664.45 and 1,230.54 is: 1,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.29 : 2,664.45 = 1,230.54 : x
  2. Step 2: Convert to fraction form
    1,777.29/2,664.45 = 1,230.54/x
  3. Step 3: Cross multiply
    1,777.29x = 2,664.45 × 1,230.54
  4. Step 4: Simplify right side
    1,777.29x = 3,278,712.30
  5. Step 5: Solve for x
    x = 3,278,712.30/1,777.29
  6. Step 6: Final answer
    x = 1,844.78

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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.