Home / 3,605.59-4,974.96-2,190.03

Finding the Fourth Proportional to 3,605.59, 4,974.96 and 2,190.03

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Solution

The fourth proportional to 3,605.59, 4,974.96 and 2,190.03 is: 3,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.59 : 4,974.96 = 2,190.03 : x
  2. Step 2: Convert to fraction form
    3,605.59/4,974.96 = 2,190.03/x
  3. Step 3: Cross multiply
    3,605.59x = 4,974.96 × 2,190.03
  4. Step 4: Simplify right side
    3,605.59x = 10,895,311.65
  5. Step 5: Solve for x
    x = 10,895,311.65/3,605.59
  6. Step 6: Final answer
    x = 3,021.78

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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.