Home / 3,251.33-4,879.71-1,403.84

Finding the Fourth Proportional to 3,251.33, 4,879.71 and 1,403.84

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Solution

The fourth proportional to 3,251.33, 4,879.71 and 1,403.84 is: 2,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.33 : 4,879.71 = 1,403.84 : x
  2. Step 2: Convert to fraction form
    3,251.33/4,879.71 = 1,403.84/x
  3. Step 3: Cross multiply
    3,251.33x = 4,879.71 × 1,403.84
  4. Step 4: Simplify right side
    3,251.33x = 6,850,307.69
  5. Step 5: Solve for x
    x = 6,850,307.69/3,251.33
  6. Step 6: Final answer
    x = 2,106.93

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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.