Home / 3,351.88-5,028.18-1,376.92

Finding the Fourth Proportional to 3,351.88, 5,028.18 and 1,376.92

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Solution

The fourth proportional to 3,351.88, 5,028.18 and 1,376.92 is: 2,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.88 : 5,028.18 = 1,376.92 : x
  2. Step 2: Convert to fraction form
    3,351.88/5,028.18 = 1,376.92/x
  3. Step 3: Cross multiply
    3,351.88x = 5,028.18 × 1,376.92
  4. Step 4: Simplify right side
    3,351.88x = 6,923,401.61
  5. Step 5: Solve for x
    x = 6,923,401.61/3,351.88
  6. Step 6: Final answer
    x = 2,065.53

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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.