Home / 2,310.92-3,189.03-1,262.96

Finding the Fourth Proportional to 2,310.92, 3,189.03 and 1,262.96

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Solution

The fourth proportional to 2,310.92, 3,189.03 and 1,262.96 is: 1,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.92 : 3,189.03 = 1,262.96 : x
  2. Step 2: Convert to fraction form
    2,310.92/3,189.03 = 1,262.96/x
  3. Step 3: Cross multiply
    2,310.92x = 3,189.03 × 1,262.96
  4. Step 4: Simplify right side
    2,310.92x = 4,027,617.33
  5. Step 5: Solve for x
    x = 4,027,617.33/2,310.92
  6. Step 6: Final answer
    x = 1,742.86

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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.