Home / 2,309.26-3,447.14-2,137.96

Finding the Fourth Proportional to 2,309.26, 3,447.14 and 2,137.96

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Solution

The fourth proportional to 2,309.26, 3,447.14 and 2,137.96 is: 3,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.26 : 3,447.14 = 2,137.96 : x
  2. Step 2: Convert to fraction form
    2,309.26/3,447.14 = 2,137.96/x
  3. Step 3: Cross multiply
    2,309.26x = 3,447.14 × 2,137.96
  4. Step 4: Simplify right side
    2,309.26x = 7,369,847.43
  5. Step 5: Solve for x
    x = 7,369,847.43/2,309.26
  6. Step 6: Final answer
    x = 3,191.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.