Home / 3,318.57-4,975.43-1,369.71

Finding the Fourth Proportional to 3,318.57, 4,975.43 and 1,369.71

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Solution

The fourth proportional to 3,318.57, 4,975.43 and 1,369.71 is: 2,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.57 : 4,975.43 = 1,369.71 : x
  2. Step 2: Convert to fraction form
    3,318.57/4,975.43 = 1,369.71/x
  3. Step 3: Cross multiply
    3,318.57x = 4,975.43 × 1,369.71
  4. Step 4: Simplify right side
    3,318.57x = 6,814,889.38
  5. Step 5: Solve for x
    x = 6,814,889.38/3,318.57
  6. Step 6: Final answer
    x = 2,053.56

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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.