Home / 3,182.98-4,769.59-1,620.64

Finding the Fourth Proportional to 3,182.98, 4,769.59 and 1,620.64

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Solution

The fourth proportional to 3,182.98, 4,769.59 and 1,620.64 is: 2,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.98 : 4,769.59 = 1,620.64 : x
  2. Step 2: Convert to fraction form
    3,182.98/4,769.59 = 1,620.64/x
  3. Step 3: Cross multiply
    3,182.98x = 4,769.59 × 1,620.64
  4. Step 4: Simplify right side
    3,182.98x = 7,729,788.34
  5. Step 5: Solve for x
    x = 7,729,788.34/3,182.98
  6. Step 6: Final answer
    x = 2,428.48

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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.