Home / 2,777.99-4,162.36-1,954.54

Finding the Fourth Proportional to 2,777.99, 4,162.36 and 1,954.54

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Solution

The fourth proportional to 2,777.99, 4,162.36 and 1,954.54 is: 2,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.99 : 4,162.36 = 1,954.54 : x
  2. Step 2: Convert to fraction form
    2,777.99/4,162.36 = 1,954.54/x
  3. Step 3: Cross multiply
    2,777.99x = 4,162.36 × 1,954.54
  4. Step 4: Simplify right side
    2,777.99x = 8,135,468.53
  5. Step 5: Solve for x
    x = 8,135,468.53/2,777.99
  6. Step 6: Final answer
    x = 2,928.54

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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.