Home / 3,923.22-5,879.34-2,948.70

Finding the Fourth Proportional to 3,923.22, 5,879.34 and 2,948.70

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Solution

The fourth proportional to 3,923.22, 5,879.34 and 2,948.70 is: 4,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.22 : 5,879.34 = 2,948.70 : x
  2. Step 2: Convert to fraction form
    3,923.22/5,879.34 = 2,948.70/x
  3. Step 3: Cross multiply
    3,923.22x = 5,879.34 × 2,948.70
  4. Step 4: Simplify right side
    3,923.22x = 17,336,409.86
  5. Step 5: Solve for x
    x = 17,336,409.86/3,923.22
  6. Step 6: Final answer
    x = 4,418.92

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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.