Home / 2,768.46-4,152.78-1,036.68

Finding the Fourth Proportional to 2,768.46, 4,152.78 and 1,036.68

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Solution

The fourth proportional to 2,768.46, 4,152.78 and 1,036.68 is: 1,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.46 : 4,152.78 = 1,036.68 : x
  2. Step 2: Convert to fraction form
    2,768.46/4,152.78 = 1,036.68/x
  3. Step 3: Cross multiply
    2,768.46x = 4,152.78 × 1,036.68
  4. Step 4: Simplify right side
    2,768.46x = 4,305,103.97
  5. Step 5: Solve for x
    x = 4,305,103.97/2,768.46
  6. Step 6: Final answer
    x = 1,555.05

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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.