Home / 3,411.62-5,110-2,091.37

Finding the Fourth Proportional to 3,411.62, 5,110 and 2,091.37

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Solution

The fourth proportional to 3,411.62, 5,110 and 2,091.37 is: 3,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.62 : 5,110 = 2,091.37 : x
  2. Step 2: Convert to fraction form
    3,411.62/5,110 = 2,091.37/x
  3. Step 3: Cross multiply
    3,411.62x = 5,110 × 2,091.37
  4. Step 4: Simplify right side
    3,411.62x = 10,686,900.70
  5. Step 5: Solve for x
    x = 10,686,900.70/3,411.62
  6. Step 6: Final answer
    x = 3,132.50

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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.