Home / 2,777.27-4,165.90-927.96

Finding the Fourth Proportional to 2,777.27, 4,165.90 and 927.96

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Solution

The fourth proportional to 2,777.27, 4,165.90 and 927.96 is: 1,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.27 : 4,165.90 = 927.96 : x
  2. Step 2: Convert to fraction form
    2,777.27/4,165.90 = 927.96/x
  3. Step 3: Cross multiply
    2,777.27x = 4,165.90 × 927.96
  4. Step 4: Simplify right side
    2,777.27x = 3,865,783.92
  5. Step 5: Solve for x
    x = 3,865,783.92/2,777.27
  6. Step 6: Final answer
    x = 1,391.94

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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.