Home / 1,852.69-2,556.97-1,223.09

Finding the Fourth Proportional to 1,852.69, 2,556.97 and 1,223.09

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Solution

The fourth proportional to 1,852.69, 2,556.97 and 1,223.09 is: 1,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.69 : 2,556.97 = 1,223.09 : x
  2. Step 2: Convert to fraction form
    1,852.69/2,556.97 = 1,223.09/x
  3. Step 3: Cross multiply
    1,852.69x = 2,556.97 × 1,223.09
  4. Step 4: Simplify right side
    1,852.69x = 3,127,404.44
  5. Step 5: Solve for x
    x = 3,127,404.44/1,852.69
  6. Step 6: Final answer
    x = 1,688.03

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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.