Home / 3,201.56-4,804.50-1,121.58

Finding the Fourth Proportional to 3,201.56, 4,804.50 and 1,121.58

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Solution

The fourth proportional to 3,201.56, 4,804.50 and 1,121.58 is: 1,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.56 : 4,804.50 = 1,121.58 : x
  2. Step 2: Convert to fraction form
    3,201.56/4,804.50 = 1,121.58/x
  3. Step 3: Cross multiply
    3,201.56x = 4,804.50 × 1,121.58
  4. Step 4: Simplify right side
    3,201.56x = 5,388,607.09
  5. Step 5: Solve for x
    x = 5,388,607.09/3,201.56
  6. Step 6: Final answer
    x = 1,683.12

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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.