Home / 3,556.44-4,908-1,963.20

Finding the Fourth Proportional to 3,556.44, 4,908 and 1,963.20

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Solution

The fourth proportional to 3,556.44, 4,908 and 1,963.20 is: 2,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.44 : 4,908 = 1,963.20 : x
  2. Step 2: Convert to fraction form
    3,556.44/4,908 = 1,963.20/x
  3. Step 3: Cross multiply
    3,556.44x = 4,908 × 1,963.20
  4. Step 4: Simplify right side
    3,556.44x = 9,635,385.60
  5. Step 5: Solve for x
    x = 9,635,385.60/3,556.44
  6. Step 6: Final answer
    x = 2,709.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.