Home / 2,936.96-4,401.12-2,628.80

Finding the Fourth Proportional to 2,936.96, 4,401.12 and 2,628.80

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Solution

The fourth proportional to 2,936.96, 4,401.12 and 2,628.80 is: 3,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.96 : 4,401.12 = 2,628.80 : x
  2. Step 2: Convert to fraction form
    2,936.96/4,401.12 = 2,628.80/x
  3. Step 3: Cross multiply
    2,936.96x = 4,401.12 × 2,628.80
  4. Step 4: Simplify right side
    2,936.96x = 11,569,664.26
  5. Step 5: Solve for x
    x = 11,569,664.26/2,936.96
  6. Step 6: Final answer
    x = 3,939.33

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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.