Home / 2,207.78-3,046.07-1,323.26

Finding the Fourth Proportional to 2,207.78, 3,046.07 and 1,323.26

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Solution

The fourth proportional to 2,207.78, 3,046.07 and 1,323.26 is: 1,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.78 : 3,046.07 = 1,323.26 : x
  2. Step 2: Convert to fraction form
    2,207.78/3,046.07 = 1,323.26/x
  3. Step 3: Cross multiply
    2,207.78x = 3,046.07 × 1,323.26
  4. Step 4: Simplify right side
    2,207.78x = 4,030,720.74
  5. Step 5: Solve for x
    x = 4,030,720.74/2,207.78
  6. Step 6: Final answer
    x = 1,825.69

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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.