Home / 3,253.25-4,880.49-1,305.61

Finding the Fourth Proportional to 3,253.25, 4,880.49 and 1,305.61

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Solution

The fourth proportional to 3,253.25, 4,880.49 and 1,305.61 is: 1,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.25 : 4,880.49 = 1,305.61 : x
  2. Step 2: Convert to fraction form
    3,253.25/4,880.49 = 1,305.61/x
  3. Step 3: Cross multiply
    3,253.25x = 4,880.49 × 1,305.61
  4. Step 4: Simplify right side
    3,253.25x = 6,371,992.15
  5. Step 5: Solve for x
    x = 6,371,992.15/3,253.25
  6. Step 6: Final answer
    x = 1,958.65

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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.