Home / 3,184.92-4,396.68-2,137.68

Finding the Fourth Proportional to 3,184.92, 4,396.68 and 2,137.68

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Solution

The fourth proportional to 3,184.92, 4,396.68 and 2,137.68 is: 2,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.92 : 4,396.68 = 2,137.68 : x
  2. Step 2: Convert to fraction form
    3,184.92/4,396.68 = 2,137.68/x
  3. Step 3: Cross multiply
    3,184.92x = 4,396.68 × 2,137.68
  4. Step 4: Simplify right side
    3,184.92x = 9,398,694.90
  5. Step 5: Solve for x
    x = 9,398,694.90/3,184.92
  6. Step 6: Final answer
    x = 2,951.00

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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.