Home / 2,193.36-3,293.28-1,269.84

Finding the Fourth Proportional to 2,193.36, 3,293.28 and 1,269.84

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Solution

The fourth proportional to 2,193.36, 3,293.28 and 1,269.84 is: 1,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.36 : 3,293.28 = 1,269.84 : x
  2. Step 2: Convert to fraction form
    2,193.36/3,293.28 = 1,269.84/x
  3. Step 3: Cross multiply
    2,193.36x = 3,293.28 × 1,269.84
  4. Step 4: Simplify right side
    2,193.36x = 4,181,938.68
  5. Step 5: Solve for x
    x = 4,181,938.68/2,193.36
  6. Step 6: Final answer
    x = 1,906.64

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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.