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Finding the Fourth Proportional to 2,645.15, 3,650.22 and 1,450.08

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Solution

The fourth proportional to 2,645.15, 3,650.22 and 1,450.08 is: 2,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.15 : 3,650.22 = 1,450.08 : x
  2. Step 2: Convert to fraction form
    2,645.15/3,650.22 = 1,450.08/x
  3. Step 3: Cross multiply
    2,645.15x = 3,650.22 × 1,450.08
  4. Step 4: Simplify right side
    2,645.15x = 5,293,111.02
  5. Step 5: Solve for x
    x = 5,293,111.02/2,645.15
  6. Step 6: Final answer
    x = 2,001.07

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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.