Home / 2,644.96-3,968.40-1,346.56

Finding the Fourth Proportional to 2,644.96, 3,968.40 and 1,346.56

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Solution

The fourth proportional to 2,644.96, 3,968.40 and 1,346.56 is: 2,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.96 : 3,968.40 = 1,346.56 : x
  2. Step 2: Convert to fraction form
    2,644.96/3,968.40 = 1,346.56/x
  3. Step 3: Cross multiply
    2,644.96x = 3,968.40 × 1,346.56
  4. Step 4: Simplify right side
    2,644.96x = 5,343,688.70
  5. Step 5: Solve for x
    x = 5,343,688.70/2,644.96
  6. Step 6: Final answer
    x = 2,020.33

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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.