Home / 1,554.94-2,325.45-1,382.68

Finding the Fourth Proportional to 1,554.94, 2,325.45 and 1,382.68

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Solution

The fourth proportional to 1,554.94, 2,325.45 and 1,382.68 is: 2,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.94 : 2,325.45 = 1,382.68 : x
  2. Step 2: Convert to fraction form
    1,554.94/2,325.45 = 1,382.68/x
  3. Step 3: Cross multiply
    1,554.94x = 2,325.45 × 1,382.68
  4. Step 4: Simplify right side
    1,554.94x = 3,215,353.21
  5. Step 5: Solve for x
    x = 3,215,353.21/1,554.94
  6. Step 6: Final answer
    x = 2,067.83

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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.