Home / 3,434.26-4,739.09-1,942.09

Finding the Fourth Proportional to 3,434.26, 4,739.09 and 1,942.09

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Solution

The fourth proportional to 3,434.26, 4,739.09 and 1,942.09 is: 2,679.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.26 : 4,739.09 = 1,942.09 : x
  2. Step 2: Convert to fraction form
    3,434.26/4,739.09 = 1,942.09/x
  3. Step 3: Cross multiply
    3,434.26x = 4,739.09 × 1,942.09
  4. Step 4: Simplify right side
    3,434.26x = 9,203,739.30
  5. Step 5: Solve for x
    x = 9,203,739.30/3,434.26
  6. Step 6: Final answer
    x = 2,679.98

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1.5x scale

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.