Home / 3,366.75-5,048.91-1,419.11

Finding the Fourth Proportional to 3,366.75, 5,048.91 and 1,419.11

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Solution

The fourth proportional to 3,366.75, 5,048.91 and 1,419.11 is: 2,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.75 : 5,048.91 = 1,419.11 : x
  2. Step 2: Convert to fraction form
    3,366.75/5,048.91 = 1,419.11/x
  3. Step 3: Cross multiply
    3,366.75x = 5,048.91 × 1,419.11
  4. Step 4: Simplify right side
    3,366.75x = 7,164,958.67
  5. Step 5: Solve for x
    x = 7,164,958.67/3,366.75
  6. Step 6: Final answer
    x = 2,128.15

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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.