Home / 2,315.56-3,474.87-1,083.06

Finding the Fourth Proportional to 2,315.56, 3,474.87 and 1,083.06

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Solution

The fourth proportional to 2,315.56, 3,474.87 and 1,083.06 is: 1,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.56 : 3,474.87 = 1,083.06 : x
  2. Step 2: Convert to fraction form
    2,315.56/3,474.87 = 1,083.06/x
  3. Step 3: Cross multiply
    2,315.56x = 3,474.87 × 1,083.06
  4. Step 4: Simplify right side
    2,315.56x = 3,763,492.70
  5. Step 5: Solve for x
    x = 3,763,492.70/2,315.56
  6. Step 6: Final answer
    x = 1,625.31

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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.