Home / 3,968.46-5,940.36-2,929.64

Finding the Fourth Proportional to 3,968.46, 5,940.36 and 2,929.64

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Solution

The fourth proportional to 3,968.46, 5,940.36 and 2,929.64 is: 4,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.46 : 5,940.36 = 2,929.64 : x
  2. Step 2: Convert to fraction form
    3,968.46/5,940.36 = 2,929.64/x
  3. Step 3: Cross multiply
    3,968.46x = 5,940.36 × 2,929.64
  4. Step 4: Simplify right side
    3,968.46x = 17,403,086.57
  5. Step 5: Solve for x
    x = 17,403,086.57/3,968.46
  6. Step 6: Final answer
    x = 4,385.35

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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.