Home / 3,201.72-4,795.32-1,718.36

Finding the Fourth Proportional to 3,201.72, 4,795.32 and 1,718.36

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Solution

The fourth proportional to 3,201.72, 4,795.32 and 1,718.36 is: 2,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.72 : 4,795.32 = 1,718.36 : x
  2. Step 2: Convert to fraction form
    3,201.72/4,795.32 = 1,718.36/x
  3. Step 3: Cross multiply
    3,201.72x = 4,795.32 × 1,718.36
  4. Step 4: Simplify right side
    3,201.72x = 8,240,062.10
  5. Step 5: Solve for x
    x = 8,240,062.10/3,201.72
  6. Step 6: Final answer
    x = 2,573.64

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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.