Home / 2,208.50-3,046.47-1,379.06

Finding the Fourth Proportional to 2,208.50, 3,046.47 and 1,379.06

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Solution

The fourth proportional to 2,208.50, 3,046.47 and 1,379.06 is: 1,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.50 : 3,046.47 = 1,379.06 : x
  2. Step 2: Convert to fraction form
    2,208.50/3,046.47 = 1,379.06/x
  3. Step 3: Cross multiply
    2,208.50x = 3,046.47 × 1,379.06
  4. Step 4: Simplify right side
    2,208.50x = 4,201,267.36
  5. Step 5: Solve for x
    x = 4,201,267.36/2,208.50
  6. Step 6: Final answer
    x = 1,902.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.