Home / 1,367.14-2,050.73-393.25

Finding the Fourth Proportional to 1,367.14, 2,050.73 and 393.25

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Solution

The fourth proportional to 1,367.14, 2,050.73 and 393.25 is: 589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.14 : 2,050.73 = 393.25 : x
  2. Step 2: Convert to fraction form
    1,367.14/2,050.73 = 393.25/x
  3. Step 3: Cross multiply
    1,367.14x = 2,050.73 × 393.25
  4. Step 4: Simplify right side
    1,367.14x = 806,447.61
  5. Step 5: Solve for x
    x = 806,447.61/1,367.14
  6. Step 6: Final answer
    x = 589.88

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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.