Home / 1,764.09-2,645.19-1,352.21

Finding the Fourth Proportional to 1,764.09, 2,645.19 and 1,352.21

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Solution

The fourth proportional to 1,764.09, 2,645.19 and 1,352.21 is: 2,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.09 : 2,645.19 = 1,352.21 : x
  2. Step 2: Convert to fraction form
    1,764.09/2,645.19 = 1,352.21/x
  3. Step 3: Cross multiply
    1,764.09x = 2,645.19 × 1,352.21
  4. Step 4: Simplify right side
    1,764.09x = 3,576,839.14
  5. Step 5: Solve for x
    x = 3,576,839.14/1,764.09
  6. Step 6: Final answer
    x = 2,027.58

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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.