Home / 2,289.49-3,431.19-1,193.56

Finding the Fourth Proportional to 2,289.49, 3,431.19 and 1,193.56

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Solution

The fourth proportional to 2,289.49, 3,431.19 and 1,193.56 is: 1,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.49 : 3,431.19 = 1,193.56 : x
  2. Step 2: Convert to fraction form
    2,289.49/3,431.19 = 1,193.56/x
  3. Step 3: Cross multiply
    2,289.49x = 3,431.19 × 1,193.56
  4. Step 4: Simplify right side
    2,289.49x = 4,095,327.03
  5. Step 5: Solve for x
    x = 4,095,327.03/2,289.49
  6. Step 6: Final answer
    x = 1,788.75

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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.