Home / 1,833.96-2,745.91-1,387.93

Finding the Fourth Proportional to 1,833.96, 2,745.91 and 1,387.93

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Solution

The fourth proportional to 1,833.96, 2,745.91 and 1,387.93 is: 2,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.96 : 2,745.91 = 1,387.93 : x
  2. Step 2: Convert to fraction form
    1,833.96/2,745.91 = 1,387.93/x
  3. Step 3: Cross multiply
    1,833.96x = 2,745.91 × 1,387.93
  4. Step 4: Simplify right side
    1,833.96x = 3,811,130.87
  5. Step 5: Solve for x
    x = 3,811,130.87/1,833.96
  6. Step 6: Final answer
    x = 2,078.09

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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.