Home / 3,069.43-4,234.52-1,889.81

Finding the Fourth Proportional to 3,069.43, 4,234.52 and 1,889.81

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Solution

The fourth proportional to 3,069.43, 4,234.52 and 1,889.81 is: 2,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.43 : 4,234.52 = 1,889.81 : x
  2. Step 2: Convert to fraction form
    3,069.43/4,234.52 = 1,889.81/x
  3. Step 3: Cross multiply
    3,069.43x = 4,234.52 × 1,889.81
  4. Step 4: Simplify right side
    3,069.43x = 8,002,453.55
  5. Step 5: Solve for x
    x = 8,002,453.55/3,069.43
  6. Step 6: Final answer
    x = 2,607.15

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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.