Home / 2,233.58-3,082.08-1,238.61

Finding the Fourth Proportional to 2,233.58, 3,082.08 and 1,238.61

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Solution

The fourth proportional to 2,233.58, 3,082.08 and 1,238.61 is: 1,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.58 : 3,082.08 = 1,238.61 : x
  2. Step 2: Convert to fraction form
    2,233.58/3,082.08 = 1,238.61/x
  3. Step 3: Cross multiply
    2,233.58x = 3,082.08 × 1,238.61
  4. Step 4: Simplify right side
    2,233.58x = 3,817,495.11
  5. Step 5: Solve for x
    x = 3,817,495.11/2,233.58
  6. Step 6: Final answer
    x = 1,709.14

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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.