Home / 2,305.54-3,181.67-1,310.84

Finding the Fourth Proportional to 2,305.54, 3,181.67 and 1,310.84

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Solution

The fourth proportional to 2,305.54, 3,181.67 and 1,310.84 is: 1,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.54 : 3,181.67 = 1,310.84 : x
  2. Step 2: Convert to fraction form
    2,305.54/3,181.67 = 1,310.84/x
  3. Step 3: Cross multiply
    2,305.54x = 3,181.67 × 1,310.84
  4. Step 4: Simplify right side
    2,305.54x = 4,170,660.30
  5. Step 5: Solve for x
    x = 4,170,660.30/2,305.54
  6. Step 6: Final answer
    x = 1,808.97

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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.