Home / 2,581.37-3,872.33-1,709.54

Finding the Fourth Proportional to 2,581.37, 3,872.33 and 1,709.54

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Solution

The fourth proportional to 2,581.37, 3,872.33 and 1,709.54 is: 2,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.37 : 3,872.33 = 1,709.54 : x
  2. Step 2: Convert to fraction form
    2,581.37/3,872.33 = 1,709.54/x
  3. Step 3: Cross multiply
    2,581.37x = 3,872.33 × 1,709.54
  4. Step 4: Simplify right side
    2,581.37x = 6,619,894.48
  5. Step 5: Solve for x
    x = 6,619,894.48/2,581.37
  6. Step 6: Final answer
    x = 2,564.49

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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.