Home / 2,341.82-3,231.68-1,293.90

Finding the Fourth Proportional to 2,341.82, 3,231.68 and 1,293.90

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Solution

The fourth proportional to 2,341.82, 3,231.68 and 1,293.90 is: 1,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.82 : 3,231.68 = 1,293.90 : x
  2. Step 2: Convert to fraction form
    2,341.82/3,231.68 = 1,293.90/x
  3. Step 3: Cross multiply
    2,341.82x = 3,231.68 × 1,293.90
  4. Step 4: Simplify right side
    2,341.82x = 4,181,470.75
  5. Step 5: Solve for x
    x = 4,181,470.75/2,341.82
  6. Step 6: Final answer
    x = 1,785.56

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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.