Home / 3,201.78-4,798.63-1,717.31

Finding the Fourth Proportional to 3,201.78, 4,798.63 and 1,717.31

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Solution

The fourth proportional to 3,201.78, 4,798.63 and 1,717.31 is: 2,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.78 : 4,798.63 = 1,717.31 : x
  2. Step 2: Convert to fraction form
    3,201.78/4,798.63 = 1,717.31/x
  3. Step 3: Cross multiply
    3,201.78x = 4,798.63 × 1,717.31
  4. Step 4: Simplify right side
    3,201.78x = 8,240,735.29
  5. Step 5: Solve for x
    x = 8,240,735.29/3,201.78
  6. Step 6: Final answer
    x = 2,573.80

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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.