Home / 2,317.97-3,198.98-1,323.56

Finding the Fourth Proportional to 2,317.97, 3,198.98 and 1,323.56

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Solution

The fourth proportional to 2,317.97, 3,198.98 and 1,323.56 is: 1,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.97 : 3,198.98 = 1,323.56 : x
  2. Step 2: Convert to fraction form
    2,317.97/3,198.98 = 1,323.56/x
  3. Step 3: Cross multiply
    2,317.97x = 3,198.98 × 1,323.56
  4. Step 4: Simplify right side
    2,317.97x = 4,234,019.36
  5. Step 5: Solve for x
    x = 4,234,019.36/2,317.97
  6. Step 6: Final answer
    x = 1,826.61

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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.