Home / 2,958.56-4,440.90-2,179.43

Finding the Fourth Proportional to 2,958.56, 4,440.90 and 2,179.43

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Solution

The fourth proportional to 2,958.56, 4,440.90 and 2,179.43 is: 3,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.56 : 4,440.90 = 2,179.43 : x
  2. Step 2: Convert to fraction form
    2,958.56/4,440.90 = 2,179.43/x
  3. Step 3: Cross multiply
    2,958.56x = 4,440.90 × 2,179.43
  4. Step 4: Simplify right side
    2,958.56x = 9,678,630.69
  5. Step 5: Solve for x
    x = 9,678,630.69/2,958.56
  6. Step 6: Final answer
    x = 3,271.40

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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.