Home / 3,640.70-5,023.38-2,313.92

Finding the Fourth Proportional to 3,640.70, 5,023.38 and 2,313.92

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Solution

The fourth proportional to 3,640.70, 5,023.38 and 2,313.92 is: 3,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.70 : 5,023.38 = 2,313.92 : x
  2. Step 2: Convert to fraction form
    3,640.70/5,023.38 = 2,313.92/x
  3. Step 3: Cross multiply
    3,640.70x = 5,023.38 × 2,313.92
  4. Step 4: Simplify right side
    3,640.70x = 11,623,674.33
  5. Step 5: Solve for x
    x = 11,623,674.33/3,640.70
  6. Step 6: Final answer
    x = 3,192.71

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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.