Home / 3,922.24-5,879.58-1,323.76

Finding the Fourth Proportional to 3,922.24, 5,879.58 and 1,323.76

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Solution

The fourth proportional to 3,922.24, 5,879.58 and 1,323.76 is: 1,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.24 : 5,879.58 = 1,323.76 : x
  2. Step 2: Convert to fraction form
    3,922.24/5,879.58 = 1,323.76/x
  3. Step 3: Cross multiply
    3,922.24x = 5,879.58 × 1,323.76
  4. Step 4: Simplify right side
    3,922.24x = 7,783,152.82
  5. Step 5: Solve for x
    x = 7,783,152.82/3,922.24
  6. Step 6: Final answer
    x = 1,984.36

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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.