Home / 2,007.24-3,010.80-911.60

Finding the Fourth Proportional to 2,007.24, 3,010.80 and 911.60

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Solution

The fourth proportional to 2,007.24, 3,010.80 and 911.60 is: 1,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.24 : 3,010.80 = 911.60 : x
  2. Step 2: Convert to fraction form
    2,007.24/3,010.80 = 911.60/x
  3. Step 3: Cross multiply
    2,007.24x = 3,010.80 × 911.60
  4. Step 4: Simplify right side
    2,007.24x = 2,744,645.28
  5. Step 5: Solve for x
    x = 2,744,645.28/2,007.24
  6. Step 6: Final answer
    x = 1,367.37

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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.