Home / 2,645.31-3,968.04-1,474.66

Finding the Fourth Proportional to 2,645.31, 3,968.04 and 1,474.66

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Solution

The fourth proportional to 2,645.31, 3,968.04 and 1,474.66 is: 2,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.31 : 3,968.04 = 1,474.66 : x
  2. Step 2: Convert to fraction form
    2,645.31/3,968.04 = 1,474.66/x
  3. Step 3: Cross multiply
    2,645.31x = 3,968.04 × 1,474.66
  4. Step 4: Simplify right side
    2,645.31x = 5,851,520.36
  5. Step 5: Solve for x
    x = 5,851,520.36/2,645.31
  6. Step 6: Final answer
    x = 2,212.03

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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.