Home / 2,137.23-3,217.23-1,936.35

Finding the Fourth Proportional to 2,137.23, 3,217.23 and 1,936.35

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Solution

The fourth proportional to 2,137.23, 3,217.23 and 1,936.35 is: 2,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.23 : 3,217.23 = 1,936.35 : x
  2. Step 2: Convert to fraction form
    2,137.23/3,217.23 = 1,936.35/x
  3. Step 3: Cross multiply
    2,137.23x = 3,217.23 × 1,936.35
  4. Step 4: Simplify right side
    2,137.23x = 6,229,683.31
  5. Step 5: Solve for x
    x = 6,229,683.31/2,137.23
  6. Step 6: Final answer
    x = 2,914.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.