Home / 2,193.69-3,027.28-1,249.43

Finding the Fourth Proportional to 2,193.69, 3,027.28 and 1,249.43

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Solution

The fourth proportional to 2,193.69, 3,027.28 and 1,249.43 is: 1,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.69 : 3,027.28 = 1,249.43 : x
  2. Step 2: Convert to fraction form
    2,193.69/3,027.28 = 1,249.43/x
  3. Step 3: Cross multiply
    2,193.69x = 3,027.28 × 1,249.43
  4. Step 4: Simplify right side
    2,193.69x = 3,782,359.31
  5. Step 5: Solve for x
    x = 3,782,359.31/2,193.69
  6. Step 6: Final answer
    x = 1,724.20

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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.