Home / 3,270.38-4,905.77-1,079.33

Finding the Fourth Proportional to 3,270.38, 4,905.77 and 1,079.33

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Solution

The fourth proportional to 3,270.38, 4,905.77 and 1,079.33 is: 1,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.38 : 4,905.77 = 1,079.33 : x
  2. Step 2: Convert to fraction form
    3,270.38/4,905.77 = 1,079.33/x
  3. Step 3: Cross multiply
    3,270.38x = 4,905.77 × 1,079.33
  4. Step 4: Simplify right side
    3,270.38x = 5,294,914.81
  5. Step 5: Solve for x
    x = 5,294,914.81/3,270.38
  6. Step 6: Final answer
    x = 1,619.05

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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.