Home / 1,833.05-2,745.45-1,418.90

Finding the Fourth Proportional to 1,833.05, 2,745.45 and 1,418.90

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Solution

The fourth proportional to 1,833.05, 2,745.45 and 1,418.90 is: 2,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.05 : 2,745.45 = 1,418.90 : x
  2. Step 2: Convert to fraction form
    1,833.05/2,745.45 = 1,418.90/x
  3. Step 3: Cross multiply
    1,833.05x = 2,745.45 × 1,418.90
  4. Step 4: Simplify right side
    1,833.05x = 3,895,505.28
  5. Step 5: Solve for x
    x = 3,895,505.28/1,833.05
  6. Step 6: Final answer
    x = 2,125.15

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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.