Home / 3,226.45-4,839.67-2,130.55

Finding the Fourth Proportional to 3,226.45, 4,839.67 and 2,130.55

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Solution

The fourth proportional to 3,226.45, 4,839.67 and 2,130.55 is: 3,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.45 : 4,839.67 = 2,130.55 : x
  2. Step 2: Convert to fraction form
    3,226.45/4,839.67 = 2,130.55/x
  3. Step 3: Cross multiply
    3,226.45x = 4,839.67 × 2,130.55
  4. Step 4: Simplify right side
    3,226.45x = 10,311,158.92
  5. Step 5: Solve for x
    x = 10,311,158.92/3,226.45
  6. Step 6: Final answer
    x = 3,195.82

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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.