Home / 3,219.12-4,828.89-1,736.52

Finding the Fourth Proportional to 3,219.12, 4,828.89 and 1,736.52

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Solution

The fourth proportional to 3,219.12, 4,828.89 and 1,736.52 is: 2,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.12 : 4,828.89 = 1,736.52 : x
  2. Step 2: Convert to fraction form
    3,219.12/4,828.89 = 1,736.52/x
  3. Step 3: Cross multiply
    3,219.12x = 4,828.89 × 1,736.52
  4. Step 4: Simplify right side
    3,219.12x = 8,385,464.06
  5. Step 5: Solve for x
    x = 8,385,464.06/3,219.12
  6. Step 6: Final answer
    x = 2,604.89

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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.