Home / 3,218.94-4,828.41-2,065.50

Finding the Fourth Proportional to 3,218.94, 4,828.41 and 2,065.50

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Solution

The fourth proportional to 3,218.94, 4,828.41 and 2,065.50 is: 3,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.94 : 4,828.41 = 2,065.50 : x
  2. Step 2: Convert to fraction form
    3,218.94/4,828.41 = 2,065.50/x
  3. Step 3: Cross multiply
    3,218.94x = 4,828.41 × 2,065.50
  4. Step 4: Simplify right side
    3,218.94x = 9,973,080.86
  5. Step 5: Solve for x
    x = 9,973,080.86/3,218.94
  6. Step 6: Final answer
    x = 3,098.25

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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.