Home / 3,082.15-4,623.68-1,234.14

Finding the Fourth Proportional to 3,082.15, 4,623.68 and 1,234.14

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Solution

The fourth proportional to 3,082.15, 4,623.68 and 1,234.14 is: 1,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.15 : 4,623.68 = 1,234.14 : x
  2. Step 2: Convert to fraction form
    3,082.15/4,623.68 = 1,234.14/x
  3. Step 3: Cross multiply
    3,082.15x = 4,623.68 × 1,234.14
  4. Step 4: Simplify right side
    3,082.15x = 5,706,254.18
  5. Step 5: Solve for x
    x = 5,706,254.18/3,082.15
  6. Step 6: Final answer
    x = 1,851.39

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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.