Home / 3,316.38-4,579.37-2,961.68

Finding the Fourth Proportional to 3,316.38, 4,579.37 and 2,961.68

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Solution

The fourth proportional to 3,316.38, 4,579.37 and 2,961.68 is: 4,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.38 : 4,579.37 = 2,961.68 : x
  2. Step 2: Convert to fraction form
    3,316.38/4,579.37 = 2,961.68/x
  3. Step 3: Cross multiply
    3,316.38x = 4,579.37 × 2,961.68
  4. Step 4: Simplify right side
    3,316.38x = 13,562,620.88
  5. Step 5: Solve for x
    x = 13,562,620.88/3,316.38
  6. Step 6: Final answer
    x = 4,089.59

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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.