Home / 2,680.85-4,021.81-950.69

Finding the Fourth Proportional to 2,680.85, 4,021.81 and 950.69

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Solution

The fourth proportional to 2,680.85, 4,021.81 and 950.69 is: 1,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.85 : 4,021.81 = 950.69 : x
  2. Step 2: Convert to fraction form
    2,680.85/4,021.81 = 950.69/x
  3. Step 3: Cross multiply
    2,680.85x = 4,021.81 × 950.69
  4. Step 4: Simplify right side
    2,680.85x = 3,823,494.55
  5. Step 5: Solve for x
    x = 3,823,494.55/2,680.85
  6. Step 6: Final answer
    x = 1,426.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.