Home / 2,976.44-4,471.50-2,100.96

Finding the Fourth Proportional to 2,976.44, 4,471.50 and 2,100.96

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Solution

The fourth proportional to 2,976.44, 4,471.50 and 2,100.96 is: 3,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.44 : 4,471.50 = 2,100.96 : x
  2. Step 2: Convert to fraction form
    2,976.44/4,471.50 = 2,100.96/x
  3. Step 3: Cross multiply
    2,976.44x = 4,471.50 × 2,100.96
  4. Step 4: Simplify right side
    2,976.44x = 9,394,442.64
  5. Step 5: Solve for x
    x = 9,394,442.64/2,976.44
  6. Step 6: Final answer
    x = 3,156.27

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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.