Home / 3,134.11-4,699.43-1,286.53

Finding the Fourth Proportional to 3,134.11, 4,699.43 and 1,286.53

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Solution

The fourth proportional to 3,134.11, 4,699.43 and 1,286.53 is: 1,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.11 : 4,699.43 = 1,286.53 : x
  2. Step 2: Convert to fraction form
    3,134.11/4,699.43 = 1,286.53/x
  3. Step 3: Cross multiply
    3,134.11x = 4,699.43 × 1,286.53
  4. Step 4: Simplify right side
    3,134.11x = 6,045,949.15
  5. Step 5: Solve for x
    x = 6,045,949.15/3,134.11
  6. Step 6: Final answer
    x = 1,929.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.