Home / 3,122.92-4,686.18-1,736.14

Finding the Fourth Proportional to 3,122.92, 4,686.18 and 1,736.14

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Solution

The fourth proportional to 3,122.92, 4,686.18 and 1,736.14 is: 2,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.92 : 4,686.18 = 1,736.14 : x
  2. Step 2: Convert to fraction form
    3,122.92/4,686.18 = 1,736.14/x
  3. Step 3: Cross multiply
    3,122.92x = 4,686.18 × 1,736.14
  4. Step 4: Simplify right side
    3,122.92x = 8,135,864.55
  5. Step 5: Solve for x
    x = 8,135,864.55/3,122.92
  6. Step 6: Final answer
    x = 2,605.21

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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.