Home / 2,176.09-3,257.75-1,351.87

Finding the Fourth Proportional to 2,176.09, 3,257.75 and 1,351.87

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Solution

The fourth proportional to 2,176.09, 3,257.75 and 1,351.87 is: 2,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.09 : 3,257.75 = 1,351.87 : x
  2. Step 2: Convert to fraction form
    2,176.09/3,257.75 = 1,351.87/x
  3. Step 3: Cross multiply
    2,176.09x = 3,257.75 × 1,351.87
  4. Step 4: Simplify right side
    2,176.09x = 4,404,054.49
  5. Step 5: Solve for x
    x = 4,404,054.49/2,176.09
  6. Step 6: Final answer
    x = 2,023.84

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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.