Home / 3,023.28-4,534.74-1,378.71

Finding the Fourth Proportional to 3,023.28, 4,534.74 and 1,378.71

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Solution

The fourth proportional to 3,023.28, 4,534.74 and 1,378.71 is: 2,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.28 : 4,534.74 = 1,378.71 : x
  2. Step 2: Convert to fraction form
    3,023.28/4,534.74 = 1,378.71/x
  3. Step 3: Cross multiply
    3,023.28x = 4,534.74 × 1,378.71
  4. Step 4: Simplify right side
    3,023.28x = 6,252,091.39
  5. Step 5: Solve for x
    x = 6,252,091.39/3,023.28
  6. Step 6: Final answer
    x = 2,067.98

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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.