Home / 3,225.29-4,839.09-1,961.41

Finding the Fourth Proportional to 3,225.29, 4,839.09 and 1,961.41

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Solution

The fourth proportional to 3,225.29, 4,839.09 and 1,961.41 is: 2,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.29 : 4,839.09 = 1,961.41 : x
  2. Step 2: Convert to fraction form
    3,225.29/4,839.09 = 1,961.41/x
  3. Step 3: Cross multiply
    3,225.29x = 4,839.09 × 1,961.41
  4. Step 4: Simplify right side
    3,225.29x = 9,491,417.61
  5. Step 5: Solve for x
    x = 9,491,417.61/3,225.29
  6. Step 6: Final answer
    x = 2,942.81

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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.