Home / 4,162.28-6,245.44-1,968.40

Finding the Fourth Proportional to 4,162.28, 6,245.44 and 1,968.40

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Solution

The fourth proportional to 4,162.28, 6,245.44 and 1,968.40 is: 2,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.28 : 6,245.44 = 1,968.40 : x
  2. Step 2: Convert to fraction form
    4,162.28/6,245.44 = 1,968.40/x
  3. Step 3: Cross multiply
    4,162.28x = 6,245.44 × 1,968.40
  4. Step 4: Simplify right side
    4,162.28x = 12,293,524.10
  5. Step 5: Solve for x
    x = 12,293,524.10/4,162.28
  6. Step 6: Final answer
    x = 2,953.56

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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.