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Finding the Fourth Proportional to 3,959.63, 5,940.86 and 1,362.77

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Solution

The fourth proportional to 3,959.63, 5,940.86 and 1,362.77 is: 2,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.63 : 5,940.86 = 1,362.77 : x
  2. Step 2: Convert to fraction form
    3,959.63/5,940.86 = 1,362.77/x
  3. Step 3: Cross multiply
    3,959.63x = 5,940.86 × 1,362.77
  4. Step 4: Simplify right side
    3,959.63x = 8,095,989.26
  5. Step 5: Solve for x
    x = 8,095,989.26/3,959.63
  6. Step 6: Final answer
    x = 2,044.64

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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.