Home / 3,286.73-4,904.94-2,936.13

Finding the Fourth Proportional to 3,286.73, 4,904.94 and 2,936.13

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Solution

The fourth proportional to 3,286.73, 4,904.94 and 2,936.13 is: 4,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.73 : 4,904.94 = 2,936.13 : x
  2. Step 2: Convert to fraction form
    3,286.73/4,904.94 = 2,936.13/x
  3. Step 3: Cross multiply
    3,286.73x = 4,904.94 × 2,936.13
  4. Step 4: Simplify right side
    3,286.73x = 14,401,521.71
  5. Step 5: Solve for x
    x = 14,401,521.71/3,286.73
  6. Step 6: Final answer
    x = 4,381.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.