Home / 3,182.12-4,767.99-1,619.97

Finding the Fourth Proportional to 3,182.12, 4,767.99 and 1,619.97

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Solution

The fourth proportional to 3,182.12, 4,767.99 and 1,619.97 is: 2,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.12 : 4,767.99 = 1,619.97 : x
  2. Step 2: Convert to fraction form
    3,182.12/4,767.99 = 1,619.97/x
  3. Step 3: Cross multiply
    3,182.12x = 4,767.99 × 1,619.97
  4. Step 4: Simplify right side
    3,182.12x = 7,724,000.76
  5. Step 5: Solve for x
    x = 7,724,000.76/3,182.12
  6. Step 6: Final answer
    x = 2,427.31

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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.