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Finding the Fourth Proportional to 3,959.94, 5,941.35 and 1,880.58

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Solution

The fourth proportional to 3,959.94, 5,941.35 and 1,880.58 is: 2,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.94 : 5,941.35 = 1,880.58 : x
  2. Step 2: Convert to fraction form
    3,959.94/5,941.35 = 1,880.58/x
  3. Step 3: Cross multiply
    3,959.94x = 5,941.35 × 1,880.58
  4. Step 4: Simplify right side
    3,959.94x = 11,173,183.98
  5. Step 5: Solve for x
    x = 11,173,183.98/3,959.94
  6. Step 6: Final answer
    x = 2,821.55

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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.