Home / 3,094.92-4,270.94-1,678.56

Finding the Fourth Proportional to 3,094.92, 4,270.94 and 1,678.56

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Solution

The fourth proportional to 3,094.92, 4,270.94 and 1,678.56 is: 2,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.92 : 4,270.94 = 1,678.56 : x
  2. Step 2: Convert to fraction form
    3,094.92/4,270.94 = 1,678.56/x
  3. Step 3: Cross multiply
    3,094.92x = 4,270.94 × 1,678.56
  4. Step 4: Simplify right side
    3,094.92x = 7,169,029.05
  5. Step 5: Solve for x
    x = 7,169,029.05/3,094.92
  6. Step 6: Final answer
    x = 2,316.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.