Home / 3,065.38-4,229.92-1,738.82

Finding the Fourth Proportional to 3,065.38, 4,229.92 and 1,738.82

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Solution

The fourth proportional to 3,065.38, 4,229.92 and 1,738.82 is: 2,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.38 : 4,229.92 = 1,738.82 : x
  2. Step 2: Convert to fraction form
    3,065.38/4,229.92 = 1,738.82/x
  3. Step 3: Cross multiply
    3,065.38x = 4,229.92 × 1,738.82
  4. Step 4: Simplify right side
    3,065.38x = 7,355,069.49
  5. Step 5: Solve for x
    x = 7,355,069.49/3,065.38
  6. Step 6: Final answer
    x = 2,399.40

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1.5x scale

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.