Home / 3,086.56-4,629.84-1,721.44

Finding the Fourth Proportional to 3,086.56, 4,629.84 and 1,721.44

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Solution

The fourth proportional to 3,086.56, 4,629.84 and 1,721.44 is: 2,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.56 : 4,629.84 = 1,721.44 : x
  2. Step 2: Convert to fraction form
    3,086.56/4,629.84 = 1,721.44/x
  3. Step 3: Cross multiply
    3,086.56x = 4,629.84 × 1,721.44
  4. Step 4: Simplify right side
    3,086.56x = 7,969,991.77
  5. Step 5: Solve for x
    x = 7,969,991.77/3,086.56
  6. Step 6: Final answer
    x = 2,582.16

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Similar ratio
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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.