Home / 2,208.06-3,312.09-1,053.54

Finding the Fourth Proportional to 2,208.06, 3,312.09 and 1,053.54

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Solution

The fourth proportional to 2,208.06, 3,312.09 and 1,053.54 is: 1,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.06 : 3,312.09 = 1,053.54 : x
  2. Step 2: Convert to fraction form
    2,208.06/3,312.09 = 1,053.54/x
  3. Step 3: Cross multiply
    2,208.06x = 3,312.09 × 1,053.54
  4. Step 4: Simplify right side
    2,208.06x = 3,489,419.30
  5. Step 5: Solve for x
    x = 3,489,419.30/2,208.06
  6. Step 6: Final answer
    x = 1,580.31

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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.