Home / 2,208.98-3,311.84-1,235.36

Finding the Fourth Proportional to 2,208.98, 3,311.84 and 1,235.36

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Solution

The fourth proportional to 2,208.98, 3,311.84 and 1,235.36 is: 1,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.98 : 3,311.84 = 1,235.36 : x
  2. Step 2: Convert to fraction form
    2,208.98/3,311.84 = 1,235.36/x
  3. Step 3: Cross multiply
    2,208.98x = 3,311.84 × 1,235.36
  4. Step 4: Simplify right side
    2,208.98x = 4,091,314.66
  5. Step 5: Solve for x
    x = 4,091,314.66/2,208.98
  6. Step 6: Final answer
    x = 1,852.13

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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.