Home / 3,286.64-4,904.70-2,936.32

Finding the Fourth Proportional to 3,286.64, 4,904.70 and 2,936.32

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Solution

The fourth proportional to 3,286.64, 4,904.70 and 2,936.32 is: 4,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.64 : 4,904.70 = 2,936.32 : x
  2. Step 2: Convert to fraction form
    3,286.64/4,904.70 = 2,936.32/x
  3. Step 3: Cross multiply
    3,286.64x = 4,904.70 × 2,936.32
  4. Step 4: Simplify right side
    3,286.64x = 14,401,768.70
  5. Step 5: Solve for x
    x = 14,401,768.70/3,286.64
  6. Step 6: Final answer
    x = 4,381.91

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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.