Home / 3,478.14-5,213.61-1,745.82

Finding the Fourth Proportional to 3,478.14, 5,213.61 and 1,745.82

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Solution

The fourth proportional to 3,478.14, 5,213.61 and 1,745.82 is: 2,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.14 : 5,213.61 = 1,745.82 : x
  2. Step 2: Convert to fraction form
    3,478.14/5,213.61 = 1,745.82/x
  3. Step 3: Cross multiply
    3,478.14x = 5,213.61 × 1,745.82
  4. Step 4: Simplify right side
    3,478.14x = 9,102,024.61
  5. Step 5: Solve for x
    x = 9,102,024.61/3,478.14
  6. Step 6: Final answer
    x = 2,616.92

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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.