Home / 2,083.26-3,123.68-1,215.75

Finding the Fourth Proportional to 2,083.26, 3,123.68 and 1,215.75

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Solution

The fourth proportional to 2,083.26, 3,123.68 and 1,215.75 is: 1,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.26 : 3,123.68 = 1,215.75 : x
  2. Step 2: Convert to fraction form
    2,083.26/3,123.68 = 1,215.75/x
  3. Step 3: Cross multiply
    2,083.26x = 3,123.68 × 1,215.75
  4. Step 4: Simplify right side
    2,083.26x = 3,797,607.88
  5. Step 5: Solve for x
    x = 3,797,607.88/2,083.26
  6. Step 6: Final answer
    x = 1,822.92

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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.