Home / 1,950.75-2,693.33-1,205.80

Finding the Fourth Proportional to 1,950.75, 2,693.33 and 1,205.80

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Solution

The fourth proportional to 1,950.75, 2,693.33 and 1,205.80 is: 1,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.75 : 2,693.33 = 1,205.80 : x
  2. Step 2: Convert to fraction form
    1,950.75/2,693.33 = 1,205.80/x
  3. Step 3: Cross multiply
    1,950.75x = 2,693.33 × 1,205.80
  4. Step 4: Simplify right side
    1,950.75x = 3,247,614.65
  5. Step 5: Solve for x
    x = 3,247,614.65/1,950.75
  6. Step 6: Final answer
    x = 1,664.80

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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.