Home / 3,237.96-4,467.99-1,979.09

Finding the Fourth Proportional to 3,237.96, 4,467.99 and 1,979.09

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Solution

The fourth proportional to 3,237.96, 4,467.99 and 1,979.09 is: 2,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.96 : 4,467.99 = 1,979.09 : x
  2. Step 2: Convert to fraction form
    3,237.96/4,467.99 = 1,979.09/x
  3. Step 3: Cross multiply
    3,237.96x = 4,467.99 × 1,979.09
  4. Step 4: Simplify right side
    3,237.96x = 8,842,554.33
  5. Step 5: Solve for x
    x = 8,842,554.33/3,237.96
  6. Step 6: Final answer
    x = 2,730.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.