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Finding the Fourth Proportional to 2,777.41, 4,163.43 and 927.23

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Solution

The fourth proportional to 2,777.41, 4,163.43 and 927.23 is: 1,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.41 : 4,163.43 = 927.23 : x
  2. Step 2: Convert to fraction form
    2,777.41/4,163.43 = 927.23/x
  3. Step 3: Cross multiply
    2,777.41x = 4,163.43 × 927.23
  4. Step 4: Simplify right side
    2,777.41x = 3,860,457.20
  5. Step 5: Solve for x
    x = 3,860,457.20/2,777.41
  6. Step 6: Final answer
    x = 1,389.95

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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.