Home / 2,193.44-3,289.92-1,097.60

Finding the Fourth Proportional to 2,193.44, 3,289.92 and 1,097.60

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Solution

The fourth proportional to 2,193.44, 3,289.92 and 1,097.60 is: 1,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.44 : 3,289.92 = 1,097.60 : x
  2. Step 2: Convert to fraction form
    2,193.44/3,289.92 = 1,097.60/x
  3. Step 3: Cross multiply
    2,193.44x = 3,289.92 × 1,097.60
  4. Step 4: Simplify right side
    2,193.44x = 3,611,016.19
  5. Step 5: Solve for x
    x = 3,611,016.19/2,193.44
  6. Step 6: Final answer
    x = 1,646.28

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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.