Home / 2,777.00-4,165.91-927.77

Finding the Fourth Proportional to 2,777.00, 4,165.91 and 927.77

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Solution

The fourth proportional to 2,777.00, 4,165.91 and 927.77 is: 1,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.00 : 4,165.91 = 927.77 : x
  2. Step 2: Convert to fraction form
    2,777.00/4,165.91 = 927.77/x
  3. Step 3: Cross multiply
    2,777.00x = 4,165.91 × 927.77
  4. Step 4: Simplify right side
    2,777.00x = 3,865,015.58
  5. Step 5: Solve for x
    x = 3,865,015.58/2,777.00
  6. Step 6: Final answer
    x = 1,391.79

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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.