Home / 3,180.24-4,769.44-1,331.30

Finding the Fourth Proportional to 3,180.24, 4,769.44 and 1,331.30

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Solution

The fourth proportional to 3,180.24, 4,769.44 and 1,331.30 is: 1,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.24 : 4,769.44 = 1,331.30 : x
  2. Step 2: Convert to fraction form
    3,180.24/4,769.44 = 1,331.30/x
  3. Step 3: Cross multiply
    3,180.24x = 4,769.44 × 1,331.30
  4. Step 4: Simplify right side
    3,180.24x = 6,349,564.07
  5. Step 5: Solve for x
    x = 6,349,564.07/3,180.24
  6. Step 6: Final answer
    x = 1,996.57

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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.