Home / 2,775.46-4,163.66-927.04

Finding the Fourth Proportional to 2,775.46, 4,163.66 and 927.04

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Solution

The fourth proportional to 2,775.46, 4,163.66 and 927.04 is: 1,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.46 : 4,163.66 = 927.04 : x
  2. Step 2: Convert to fraction form
    2,775.46/4,163.66 = 927.04/x
  3. Step 3: Cross multiply
    2,775.46x = 4,163.66 × 927.04
  4. Step 4: Simplify right side
    2,775.46x = 3,859,879.37
  5. Step 5: Solve for x
    x = 3,859,879.37/2,775.46
  6. Step 6: Final answer
    x = 1,390.72

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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.