Home / 3,922.11-5,880.13-3,401.39

Finding the Fourth Proportional to 3,922.11, 5,880.13 and 3,401.39

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Solution

The fourth proportional to 3,922.11, 5,880.13 and 3,401.39 is: 5,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.11 : 5,880.13 = 3,401.39 : x
  2. Step 2: Convert to fraction form
    3,922.11/5,880.13 = 3,401.39/x
  3. Step 3: Cross multiply
    3,922.11x = 5,880.13 × 3,401.39
  4. Step 4: Simplify right side
    3,922.11x = 20,000,615.38
  5. Step 5: Solve for x
    x = 20,000,615.38/3,922.11
  6. Step 6: Final answer
    x = 5,099.45

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1.5x scale

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.