Home / 3,318.63-4,974.59-2,086.92

Finding the Fourth Proportional to 3,318.63, 4,974.59 and 2,086.92

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Solution

The fourth proportional to 3,318.63, 4,974.59 and 2,086.92 is: 3,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.63 : 4,974.59 = 2,086.92 : x
  2. Step 2: Convert to fraction form
    3,318.63/4,974.59 = 2,086.92/x
  3. Step 3: Cross multiply
    3,318.63x = 4,974.59 × 2,086.92
  4. Step 4: Simplify right side
    3,318.63x = 10,381,571.36
  5. Step 5: Solve for x
    x = 10,381,571.36/3,318.63
  6. Step 6: Final answer
    x = 3,128.27

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1.5x scale

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.