Home / 2,979.96-4,466.70-1,940.72

Finding the Fourth Proportional to 2,979.96, 4,466.70 and 1,940.72

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Solution

The fourth proportional to 2,979.96, 4,466.70 and 1,940.72 is: 2,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.96 : 4,466.70 = 1,940.72 : x
  2. Step 2: Convert to fraction form
    2,979.96/4,466.70 = 1,940.72/x
  3. Step 3: Cross multiply
    2,979.96x = 4,466.70 × 1,940.72
  4. Step 4: Simplify right side
    2,979.96x = 8,668,614.02
  5. Step 5: Solve for x
    x = 8,668,614.02/2,979.96
  6. Step 6: Final answer
    x = 2,908.97

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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.