Home / 2,939.14-4,408.80-1,295.29

Finding the Fourth Proportional to 2,939.14, 4,408.80 and 1,295.29

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Solution

The fourth proportional to 2,939.14, 4,408.80 and 1,295.29 is: 1,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.14 : 4,408.80 = 1,295.29 : x
  2. Step 2: Convert to fraction form
    2,939.14/4,408.80 = 1,295.29/x
  3. Step 3: Cross multiply
    2,939.14x = 4,408.80 × 1,295.29
  4. Step 4: Simplify right side
    2,939.14x = 5,710,674.55
  5. Step 5: Solve for x
    x = 5,710,674.55/2,939.14
  6. Step 6: Final answer
    x = 1,942.97

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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.