Home / 1,628.56-2,440.73-1,043.33

Finding the Fourth Proportional to 1,628.56, 2,440.73 and 1,043.33

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Solution

The fourth proportional to 1,628.56, 2,440.73 and 1,043.33 is: 1,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.56 : 2,440.73 = 1,043.33 : x
  2. Step 2: Convert to fraction form
    1,628.56/2,440.73 = 1,043.33/x
  3. Step 3: Cross multiply
    1,628.56x = 2,440.73 × 1,043.33
  4. Step 4: Simplify right side
    1,628.56x = 2,546,481.61
  5. Step 5: Solve for x
    x = 2,546,481.61/1,628.56
  6. Step 6: Final answer
    x = 1,563.64

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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.