Home / 3,226.90-4,836.56-1,491.88

Finding the Fourth Proportional to 3,226.90, 4,836.56 and 1,491.88

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Solution

The fourth proportional to 3,226.90, 4,836.56 and 1,491.88 is: 2,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.90 : 4,836.56 = 1,491.88 : x
  2. Step 2: Convert to fraction form
    3,226.90/4,836.56 = 1,491.88/x
  3. Step 3: Cross multiply
    3,226.90x = 4,836.56 × 1,491.88
  4. Step 4: Simplify right side
    3,226.90x = 7,215,567.13
  5. Step 5: Solve for x
    x = 7,215,567.13/3,226.90
  6. Step 6: Final answer
    x = 2,236.07

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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.