Home / 2,233.54-3,082.31-1,238.85

Finding the Fourth Proportional to 2,233.54, 3,082.31 and 1,238.85

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Solution

The fourth proportional to 2,233.54, 3,082.31 and 1,238.85 is: 1,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.54 : 3,082.31 = 1,238.85 : x
  2. Step 2: Convert to fraction form
    2,233.54/3,082.31 = 1,238.85/x
  3. Step 3: Cross multiply
    2,233.54x = 3,082.31 × 1,238.85
  4. Step 4: Simplify right side
    2,233.54x = 3,818,519.74
  5. Step 5: Solve for x
    x = 3,818,519.74/2,233.54
  6. Step 6: Final answer
    x = 1,709.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.