Home / 2,440.96-3,662.40-1,072

Finding the Fourth Proportional to 2,440.96, 3,662.40 and 1,072

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Solution

The fourth proportional to 2,440.96, 3,662.40 and 1,072 is: 1,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.96 : 3,662.40 = 1,072 : x
  2. Step 2: Convert to fraction form
    2,440.96/3,662.40 = 1,072/x
  3. Step 3: Cross multiply
    2,440.96x = 3,662.40 × 1,072
  4. Step 4: Simplify right side
    2,440.96x = 3,926,092.80
  5. Step 5: Solve for x
    x = 3,926,092.80/2,440.96
  6. Step 6: Final answer
    x = 1,608.42

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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.