Home / 2,170.23-3,255.73-1,293.46

Finding the Fourth Proportional to 2,170.23, 3,255.73 and 1,293.46

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Solution

The fourth proportional to 2,170.23, 3,255.73 and 1,293.46 is: 1,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.23 : 3,255.73 = 1,293.46 : x
  2. Step 2: Convert to fraction form
    2,170.23/3,255.73 = 1,293.46/x
  3. Step 3: Cross multiply
    2,170.23x = 3,255.73 × 1,293.46
  4. Step 4: Simplify right side
    2,170.23x = 4,211,156.53
  5. Step 5: Solve for x
    x = 4,211,156.53/2,170.23
  6. Step 6: Final answer
    x = 1,940.42

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1.5x scale

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.