Home / 3,310.72-4,964.61-1,556.22

Finding the Fourth Proportional to 3,310.72, 4,964.61 and 1,556.22

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Solution

The fourth proportional to 3,310.72, 4,964.61 and 1,556.22 is: 2,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.72 : 4,964.61 = 1,556.22 : x
  2. Step 2: Convert to fraction form
    3,310.72/4,964.61 = 1,556.22/x
  3. Step 3: Cross multiply
    3,310.72x = 4,964.61 × 1,556.22
  4. Step 4: Simplify right side
    3,310.72x = 7,726,025.37
  5. Step 5: Solve for x
    x = 7,726,025.37/3,310.72
  6. Step 6: Final answer
    x = 2,333.64

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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.