Home / 2,083.29-3,122.85-1,342.44

Finding the Fourth Proportional to 2,083.29, 3,122.85 and 1,342.44

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Solution

The fourth proportional to 2,083.29, 3,122.85 and 1,342.44 is: 2,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.29 : 3,122.85 = 1,342.44 : x
  2. Step 2: Convert to fraction form
    2,083.29/3,122.85 = 1,342.44/x
  3. Step 3: Cross multiply
    2,083.29x = 3,122.85 × 1,342.44
  4. Step 4: Simplify right side
    2,083.29x = 4,192,238.75
  5. Step 5: Solve for x
    x = 4,192,238.75/2,083.29
  6. Step 6: Final answer
    x = 2,012.32

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1.5x scale

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.