Home / 2,889.36-3,986.28-2,610

Finding the Fourth Proportional to 2,889.36, 3,986.28 and 2,610

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Solution

The fourth proportional to 2,889.36, 3,986.28 and 2,610 is: 3,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.36 : 3,986.28 = 2,610 : x
  2. Step 2: Convert to fraction form
    2,889.36/3,986.28 = 2,610/x
  3. Step 3: Cross multiply
    2,889.36x = 3,986.28 × 2,610
  4. Step 4: Simplify right side
    2,889.36x = 10,404,190.80
  5. Step 5: Solve for x
    x = 10,404,190.80/2,889.36
  6. Step 6: Final answer
    x = 3,600.86

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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.