Home / 3,923.55-5,879.86-2,948.51

Finding the Fourth Proportional to 3,923.55, 5,879.86 and 2,948.51

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Solution

The fourth proportional to 3,923.55, 5,879.86 and 2,948.51 is: 4,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.55 : 5,879.86 = 2,948.51 : x
  2. Step 2: Convert to fraction form
    3,923.55/5,879.86 = 2,948.51/x
  3. Step 3: Cross multiply
    3,923.55x = 5,879.86 × 2,948.51
  4. Step 4: Simplify right side
    3,923.55x = 17,336,833.34
  5. Step 5: Solve for x
    x = 17,336,833.34/3,923.55
  6. Step 6: Final answer
    x = 4,418.66

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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.