Home / 3,106.56-4,661.28-1,951.68

Finding the Fourth Proportional to 3,106.56, 4,661.28 and 1,951.68

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Solution

The fourth proportional to 3,106.56, 4,661.28 and 1,951.68 is: 2,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.56 : 4,661.28 = 1,951.68 : x
  2. Step 2: Convert to fraction form
    3,106.56/4,661.28 = 1,951.68/x
  3. Step 3: Cross multiply
    3,106.56x = 4,661.28 × 1,951.68
  4. Step 4: Simplify right side
    3,106.56x = 9,097,326.95
  5. Step 5: Solve for x
    x = 9,097,326.95/3,106.56
  6. Step 6: Final answer
    x = 2,928.42

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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.