Home / 2,958.92-4,430.79-2,871.33

Finding the Fourth Proportional to 2,958.92, 4,430.79 and 2,871.33

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Solution

The fourth proportional to 2,958.92, 4,430.79 and 2,871.33 is: 4,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.92 : 4,430.79 = 2,871.33 : x
  2. Step 2: Convert to fraction form
    2,958.92/4,430.79 = 2,871.33/x
  3. Step 3: Cross multiply
    2,958.92x = 4,430.79 × 2,871.33
  4. Step 4: Simplify right side
    2,958.92x = 12,722,243.64
  5. Step 5: Solve for x
    x = 12,722,243.64/2,958.92
  6. Step 6: Final answer
    x = 4,299.63

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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.