Home / 3,108.96-4,664.16-1,955.52

Finding the Fourth Proportional to 3,108.96, 4,664.16 and 1,955.52

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Solution

The fourth proportional to 3,108.96, 4,664.16 and 1,955.52 is: 2,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.96 : 4,664.16 = 1,955.52 : x
  2. Step 2: Convert to fraction form
    3,108.96/4,664.16 = 1,955.52/x
  3. Step 3: Cross multiply
    3,108.96x = 4,664.16 × 1,955.52
  4. Step 4: Simplify right side
    3,108.96x = 9,120,858.16
  5. Step 5: Solve for x
    x = 9,120,858.16/3,108.96
  6. Step 6: Final answer
    x = 2,933.73

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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.