Home / 3,353.42-5,028.27-1,378.52

Finding the Fourth Proportional to 3,353.42, 5,028.27 and 1,378.52

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Solution

The fourth proportional to 3,353.42, 5,028.27 and 1,378.52 is: 2,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.42 : 5,028.27 = 1,378.52 : x
  2. Step 2: Convert to fraction form
    3,353.42/5,028.27 = 1,378.52/x
  3. Step 3: Cross multiply
    3,353.42x = 5,028.27 × 1,378.52
  4. Step 4: Simplify right side
    3,353.42x = 6,931,570.76
  5. Step 5: Solve for x
    x = 6,931,570.76/3,353.42
  6. Step 6: Final answer
    x = 2,067.02

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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.