Home / 3,450.65-4,759.99-2,190.85

Finding the Fourth Proportional to 3,450.65, 4,759.99 and 2,190.85

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Solution

The fourth proportional to 3,450.65, 4,759.99 and 2,190.85 is: 3,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.65 : 4,759.99 = 2,190.85 : x
  2. Step 2: Convert to fraction form
    3,450.65/4,759.99 = 2,190.85/x
  3. Step 3: Cross multiply
    3,450.65x = 4,759.99 × 2,190.85
  4. Step 4: Simplify right side
    3,450.65x = 10,428,400.29
  5. Step 5: Solve for x
    x = 10,428,400.29/3,450.65
  6. Step 6: Final answer
    x = 3,022.16

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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.