Home / 3,609.04-4,979.94-2,191.99

Finding the Fourth Proportional to 3,609.04, 4,979.94 and 2,191.99

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Solution

The fourth proportional to 3,609.04, 4,979.94 and 2,191.99 is: 3,024.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.04 : 4,979.94 = 2,191.99 : x
  2. Step 2: Convert to fraction form
    3,609.04/4,979.94 = 2,191.99/x
  3. Step 3: Cross multiply
    3,609.04x = 4,979.94 × 2,191.99
  4. Step 4: Simplify right side
    3,609.04x = 10,915,978.68
  5. Step 5: Solve for x
    x = 10,915,978.68/3,609.04
  6. Step 6: Final answer
    x = 3,024.62

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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.