Home / 2,939.68-4,052.19-2,193.67

Finding the Fourth Proportional to 2,939.68, 4,052.19 and 2,193.67

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Solution

The fourth proportional to 2,939.68, 4,052.19 and 2,193.67 is: 3,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.68 : 4,052.19 = 2,193.67 : x
  2. Step 2: Convert to fraction form
    2,939.68/4,052.19 = 2,193.67/x
  3. Step 3: Cross multiply
    2,939.68x = 4,052.19 × 2,193.67
  4. Step 4: Simplify right side
    2,939.68x = 8,889,167.64
  5. Step 5: Solve for x
    x = 8,889,167.64/2,939.68
  6. Step 6: Final answer
    x = 3,023.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.