Home / 3,440.76-5,161.14-1,911.48

Finding the Fourth Proportional to 3,440.76, 5,161.14 and 1,911.48

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Solution

The fourth proportional to 3,440.76, 5,161.14 and 1,911.48 is: 2,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.76 : 5,161.14 = 1,911.48 : x
  2. Step 2: Convert to fraction form
    3,440.76/5,161.14 = 1,911.48/x
  3. Step 3: Cross multiply
    3,440.76x = 5,161.14 × 1,911.48
  4. Step 4: Simplify right side
    3,440.76x = 9,865,415.89
  5. Step 5: Solve for x
    x = 9,865,415.89/3,440.76
  6. Step 6: Final answer
    x = 2,867.22

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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.