Home / 2,208.51-3,311.99-1,039.06

Finding the Fourth Proportional to 2,208.51, 3,311.99 and 1,039.06

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Solution

The fourth proportional to 2,208.51, 3,311.99 and 1,039.06 is: 1,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.51 : 3,311.99 = 1,039.06 : x
  2. Step 2: Convert to fraction form
    2,208.51/3,311.99 = 1,039.06/x
  3. Step 3: Cross multiply
    2,208.51x = 3,311.99 × 1,039.06
  4. Step 4: Simplify right side
    2,208.51x = 3,441,342.85
  5. Step 5: Solve for x
    x = 3,441,342.85/2,208.51
  6. Step 6: Final answer
    x = 1,558.22

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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.