Home / 3,485.99-5,236.26-2,939.24

Finding the Fourth Proportional to 3,485.99, 5,236.26 and 2,939.24

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Solution

The fourth proportional to 3,485.99, 5,236.26 and 2,939.24 is: 4,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.99 : 5,236.26 = 2,939.24 : x
  2. Step 2: Convert to fraction form
    3,485.99/5,236.26 = 2,939.24/x
  3. Step 3: Cross multiply
    3,485.99x = 5,236.26 × 2,939.24
  4. Step 4: Simplify right side
    3,485.99x = 15,390,624.84
  5. Step 5: Solve for x
    x = 15,390,624.84/3,485.99
  6. Step 6: Final answer
    x = 4,414.99

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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.