Home / 2,310.94-3,189.14-1,262.98

Finding the Fourth Proportional to 2,310.94, 3,189.14 and 1,262.98

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Solution

The fourth proportional to 2,310.94, 3,189.14 and 1,262.98 is: 1,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.94 : 3,189.14 = 1,262.98 : x
  2. Step 2: Convert to fraction form
    2,310.94/3,189.14 = 1,262.98/x
  3. Step 3: Cross multiply
    2,310.94x = 3,189.14 × 1,262.98
  4. Step 4: Simplify right side
    2,310.94x = 4,027,820.04
  5. Step 5: Solve for x
    x = 4,027,820.04/2,310.94
  6. Step 6: Final answer
    x = 1,742.94

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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.