Home / 2,775.27-4,163.11-926.38

Finding the Fourth Proportional to 2,775.27, 4,163.11 and 926.38

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Solution

The fourth proportional to 2,775.27, 4,163.11 and 926.38 is: 1,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.27 : 4,163.11 = 926.38 : x
  2. Step 2: Convert to fraction form
    2,775.27/4,163.11 = 926.38/x
  3. Step 3: Cross multiply
    2,775.27x = 4,163.11 × 926.38
  4. Step 4: Simplify right side
    2,775.27x = 3,856,621.84
  5. Step 5: Solve for x
    x = 3,856,621.84/2,775.27
  6. Step 6: Final answer
    x = 1,389.64

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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.