Home / 3,296.08-4,939.26-3,111.40

Finding the Fourth Proportional to 3,296.08, 4,939.26 and 3,111.40

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Solution

The fourth proportional to 3,296.08, 4,939.26 and 3,111.40 is: 4,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.08 : 4,939.26 = 3,111.40 : x
  2. Step 2: Convert to fraction form
    3,296.08/4,939.26 = 3,111.40/x
  3. Step 3: Cross multiply
    3,296.08x = 4,939.26 × 3,111.40
  4. Step 4: Simplify right side
    3,296.08x = 15,368,013.56
  5. Step 5: Solve for x
    x = 15,368,013.56/3,296.08
  6. Step 6: Final answer
    x = 4,662.51

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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.