Home / 2,939.83-4,409.74-2,291.05

Finding the Fourth Proportional to 2,939.83, 4,409.74 and 2,291.05

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Solution

The fourth proportional to 2,939.83, 4,409.74 and 2,291.05 is: 3,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.83 : 4,409.74 = 2,291.05 : x
  2. Step 2: Convert to fraction form
    2,939.83/4,409.74 = 2,291.05/x
  3. Step 3: Cross multiply
    2,939.83x = 4,409.74 × 2,291.05
  4. Step 4: Simplify right side
    2,939.83x = 10,102,912.78
  5. Step 5: Solve for x
    x = 10,102,912.78/2,939.83
  6. Step 6: Final answer
    x = 3,436.57

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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.