Home / 3,913.75-5,401.11-2,923.93

Finding the Fourth Proportional to 3,913.75, 5,401.11 and 2,923.93

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Solution

The fourth proportional to 3,913.75, 5,401.11 and 2,923.93 is: 4,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.75 : 5,401.11 = 2,923.93 : x
  2. Step 2: Convert to fraction form
    3,913.75/5,401.11 = 2,923.93/x
  3. Step 3: Cross multiply
    3,913.75x = 5,401.11 × 2,923.93
  4. Step 4: Simplify right side
    3,913.75x = 15,792,467.56
  5. Step 5: Solve for x
    x = 15,792,467.56/3,913.75
  6. Step 6: Final answer
    x = 4,035.12

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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.