Home / 1,544.42-2,313.92-1,286.08

Finding the Fourth Proportional to 1,544.42, 2,313.92 and 1,286.08

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Solution

The fourth proportional to 1,544.42, 2,313.92 and 1,286.08 is: 1,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.42 : 2,313.92 = 1,286.08 : x
  2. Step 2: Convert to fraction form
    1,544.42/2,313.92 = 1,286.08/x
  3. Step 3: Cross multiply
    1,544.42x = 2,313.92 × 1,286.08
  4. Step 4: Simplify right side
    1,544.42x = 2,975,879.80
  5. Step 5: Solve for x
    x = 2,975,879.80/1,544.42
  6. Step 6: Final answer
    x = 1,926.86

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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.