Home / 2,628.96-3,627.36-1,743.36

Finding the Fourth Proportional to 2,628.96, 3,627.36 and 1,743.36

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Solution

The fourth proportional to 2,628.96, 3,627.36 and 1,743.36 is: 2,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.96 : 3,627.36 = 1,743.36 : x
  2. Step 2: Convert to fraction form
    2,628.96/3,627.36 = 1,743.36/x
  3. Step 3: Cross multiply
    2,628.96x = 3,627.36 × 1,743.36
  4. Step 4: Simplify right side
    2,628.96x = 6,323,794.33
  5. Step 5: Solve for x
    x = 6,323,794.33/2,628.96
  6. Step 6: Final answer
    x = 2,405.44

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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.