Home / 2,768.08-4,151.04-1,208.56

Finding the Fourth Proportional to 2,768.08, 4,151.04 and 1,208.56

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Solution

The fourth proportional to 2,768.08, 4,151.04 and 1,208.56 is: 1,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.08 : 4,151.04 = 1,208.56 : x
  2. Step 2: Convert to fraction form
    2,768.08/4,151.04 = 1,208.56/x
  3. Step 3: Cross multiply
    2,768.08x = 4,151.04 × 1,208.56
  4. Step 4: Simplify right side
    2,768.08x = 5,016,780.90
  5. Step 5: Solve for x
    x = 5,016,780.90/2,768.08
  6. Step 6: Final answer
    x = 1,812.37

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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.