Home / 3,904.75-5,857.44-1,440.28

Finding the Fourth Proportional to 3,904.75, 5,857.44 and 1,440.28

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Solution

The fourth proportional to 3,904.75, 5,857.44 and 1,440.28 is: 2,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.75 : 5,857.44 = 1,440.28 : x
  2. Step 2: Convert to fraction form
    3,904.75/5,857.44 = 1,440.28/x
  3. Step 3: Cross multiply
    3,904.75x = 5,857.44 × 1,440.28
  4. Step 4: Simplify right side
    3,904.75x = 8,436,353.68
  5. Step 5: Solve for x
    x = 8,436,353.68/3,904.75
  6. Step 6: Final answer
    x = 2,160.54

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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.