Home / 3,491.88-5,240.39-2,569.97

Finding the Fourth Proportional to 3,491.88, 5,240.39 and 2,569.97

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Solution

The fourth proportional to 3,491.88, 5,240.39 and 2,569.97 is: 3,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.88 : 5,240.39 = 2,569.97 : x
  2. Step 2: Convert to fraction form
    3,491.88/5,240.39 = 2,569.97/x
  3. Step 3: Cross multiply
    3,491.88x = 5,240.39 × 2,569.97
  4. Step 4: Simplify right side
    3,491.88x = 13,467,606.04
  5. Step 5: Solve for x
    x = 13,467,606.04/3,491.88
  6. Step 6: Final answer
    x = 3,856.84

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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.