Home / 3,964.26-5,946.36-2,646.78

Finding the Fourth Proportional to 3,964.26, 5,946.36 and 2,646.78

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Solution

The fourth proportional to 3,964.26, 5,946.36 and 2,646.78 is: 3,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.26 : 5,946.36 = 2,646.78 : x
  2. Step 2: Convert to fraction form
    3,964.26/5,946.36 = 2,646.78/x
  3. Step 3: Cross multiply
    3,964.26x = 5,946.36 × 2,646.78
  4. Step 4: Simplify right side
    3,964.26x = 15,738,706.72
  5. Step 5: Solve for x
    x = 15,738,706.72/3,964.26
  6. Step 6: Final answer
    x = 3,970.15

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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.