Home / 3,536.21-4,879.80-1,964.41

Finding the Fourth Proportional to 3,536.21, 4,879.80 and 1,964.41

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Solution

The fourth proportional to 3,536.21, 4,879.80 and 1,964.41 is: 2,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.21 : 4,879.80 = 1,964.41 : x
  2. Step 2: Convert to fraction form
    3,536.21/4,879.80 = 1,964.41/x
  3. Step 3: Cross multiply
    3,536.21x = 4,879.80 × 1,964.41
  4. Step 4: Simplify right side
    3,536.21x = 9,585,915.72
  5. Step 5: Solve for x
    x = 9,585,915.72/3,536.21
  6. Step 6: Final answer
    x = 2,710.79

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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.