Home / 2,208.72-3,310.62-1,477.32

Finding the Fourth Proportional to 2,208.72, 3,310.62 and 1,477.32

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Solution

The fourth proportional to 2,208.72, 3,310.62 and 1,477.32 is: 2,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.72 : 3,310.62 = 1,477.32 : x
  2. Step 2: Convert to fraction form
    2,208.72/3,310.62 = 1,477.32/x
  3. Step 3: Cross multiply
    2,208.72x = 3,310.62 × 1,477.32
  4. Step 4: Simplify right side
    2,208.72x = 4,890,845.14
  5. Step 5: Solve for x
    x = 4,890,845.14/2,208.72
  6. Step 6: Final answer
    x = 2,214.33

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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.