Home / 2,628.20-3,943.22-1,168.38

Finding the Fourth Proportional to 2,628.20, 3,943.22 and 1,168.38

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Solution

The fourth proportional to 2,628.20, 3,943.22 and 1,168.38 is: 1,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.20 : 3,943.22 = 1,168.38 : x
  2. Step 2: Convert to fraction form
    2,628.20/3,943.22 = 1,168.38/x
  3. Step 3: Cross multiply
    2,628.20x = 3,943.22 × 1,168.38
  4. Step 4: Simplify right side
    2,628.20x = 4,607,173.54
  5. Step 5: Solve for x
    x = 4,607,173.54/2,628.20
  6. Step 6: Final answer
    x = 1,752.98

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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.