Home / 3,316.50-4,576.78-1,804.06

Finding the Fourth Proportional to 3,316.50, 4,576.78 and 1,804.06

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Solution

The fourth proportional to 3,316.50, 4,576.78 and 1,804.06 is: 2,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.50 : 4,576.78 = 1,804.06 : x
  2. Step 2: Convert to fraction form
    3,316.50/4,576.78 = 1,804.06/x
  3. Step 3: Cross multiply
    3,316.50x = 4,576.78 × 1,804.06
  4. Step 4: Simplify right side
    3,316.50x = 8,256,785.73
  5. Step 5: Solve for x
    x = 8,256,785.73/3,316.50
  6. Step 6: Final answer
    x = 2,489.61

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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.