Home / 2,158.82-3,235.86-1,232.36

Finding the Fourth Proportional to 2,158.82, 3,235.86 and 1,232.36

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Solution

The fourth proportional to 2,158.82, 3,235.86 and 1,232.36 is: 1,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.82 : 3,235.86 = 1,232.36 : x
  2. Step 2: Convert to fraction form
    2,158.82/3,235.86 = 1,232.36/x
  3. Step 3: Cross multiply
    2,158.82x = 3,235.86 × 1,232.36
  4. Step 4: Simplify right side
    2,158.82x = 3,987,722.09
  5. Step 5: Solve for x
    x = 3,987,722.09/2,158.82
  6. Step 6: Final answer
    x = 1,847.18

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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.