Home / 2,193.21-3,026.61-1,198.49

Finding the Fourth Proportional to 2,193.21, 3,026.61 and 1,198.49

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Solution

The fourth proportional to 2,193.21, 3,026.61 and 1,198.49 is: 1,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.21 : 3,026.61 = 1,198.49 : x
  2. Step 2: Convert to fraction form
    2,193.21/3,026.61 = 1,198.49/x
  3. Step 3: Cross multiply
    2,193.21x = 3,026.61 × 1,198.49
  4. Step 4: Simplify right side
    2,193.21x = 3,627,346.69
  5. Step 5: Solve for x
    x = 3,627,346.69/2,193.21
  6. Step 6: Final answer
    x = 1,653.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.