Home / 2,315.85-3,474.92-1,083.35

Finding the Fourth Proportional to 2,315.85, 3,474.92 and 1,083.35

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Solution

The fourth proportional to 2,315.85, 3,474.92 and 1,083.35 is: 1,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.85 : 3,474.92 = 1,083.35 : x
  2. Step 2: Convert to fraction form
    2,315.85/3,474.92 = 1,083.35/x
  3. Step 3: Cross multiply
    2,315.85x = 3,474.92 × 1,083.35
  4. Step 4: Simplify right side
    2,315.85x = 3,764,554.58
  5. Step 5: Solve for x
    x = 3,764,554.58/2,315.85
  6. Step 6: Final answer
    x = 1,625.56

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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.