Home / 3,640.85-5,022.79-2,313.84

Finding the Fourth Proportional to 3,640.85, 5,022.79 and 2,313.84

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Solution

The fourth proportional to 3,640.85, 5,022.79 and 2,313.84 is: 3,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.85 : 5,022.79 = 2,313.84 : x
  2. Step 2: Convert to fraction form
    3,640.85/5,022.79 = 2,313.84/x
  3. Step 3: Cross multiply
    3,640.85x = 5,022.79 × 2,313.84
  4. Step 4: Simplify right side
    3,640.85x = 11,621,932.41
  5. Step 5: Solve for x
    x = 11,621,932.41/3,640.85
  6. Step 6: Final answer
    x = 3,192.09

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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.