Home / 3,941.15-5,905.77-2,379.42

Finding the Fourth Proportional to 3,941.15, 5,905.77 and 2,379.42

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Solution

The fourth proportional to 3,941.15, 5,905.77 and 2,379.42 is: 3,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.15 : 5,905.77 = 2,379.42 : x
  2. Step 2: Convert to fraction form
    3,941.15/5,905.77 = 2,379.42/x
  3. Step 3: Cross multiply
    3,941.15x = 5,905.77 × 2,379.42
  4. Step 4: Simplify right side
    3,941.15x = 14,052,307.25
  5. Step 5: Solve for x
    x = 14,052,307.25/3,941.15
  6. Step 6: Final answer
    x = 3,565.54

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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.