Home / 3,143.39-4,713.46-1,294.16

Finding the Fourth Proportional to 3,143.39, 4,713.46 and 1,294.16

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Solution

The fourth proportional to 3,143.39, 4,713.46 and 1,294.16 is: 1,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.39 : 4,713.46 = 1,294.16 : x
  2. Step 2: Convert to fraction form
    3,143.39/4,713.46 = 1,294.16/x
  3. Step 3: Cross multiply
    3,143.39x = 4,713.46 × 1,294.16
  4. Step 4: Simplify right side
    3,143.39x = 6,099,944.59
  5. Step 5: Solve for x
    x = 6,099,944.59/3,143.39
  6. Step 6: Final answer
    x = 1,940.57

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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.