Home / 1,556.26-2,336.10-825.64

Finding the Fourth Proportional to 1,556.26, 2,336.10 and 825.64

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Solution

The fourth proportional to 1,556.26, 2,336.10 and 825.64 is: 1,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.26 : 2,336.10 = 825.64 : x
  2. Step 2: Convert to fraction form
    1,556.26/2,336.10 = 825.64/x
  3. Step 3: Cross multiply
    1,556.26x = 2,336.10 × 825.64
  4. Step 4: Simplify right side
    1,556.26x = 1,928,777.60
  5. Step 5: Solve for x
    x = 1,928,777.60/1,556.26
  6. Step 6: Final answer
    x = 1,239.37

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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.