Home / 2,645.82-3,651.35-1,761.03

Finding the Fourth Proportional to 2,645.82, 3,651.35 and 1,761.03

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Solution

The fourth proportional to 2,645.82, 3,651.35 and 1,761.03 is: 2,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.82 : 3,651.35 = 1,761.03 : x
  2. Step 2: Convert to fraction form
    2,645.82/3,651.35 = 1,761.03/x
  3. Step 3: Cross multiply
    2,645.82x = 3,651.35 × 1,761.03
  4. Step 4: Simplify right side
    2,645.82x = 6,430,128.09
  5. Step 5: Solve for x
    x = 6,430,128.09/2,645.82
  6. Step 6: Final answer
    x = 2,430.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.