Home / 3,251.20-4,486.52-1,853.96

Finding the Fourth Proportional to 3,251.20, 4,486.52 and 1,853.96

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Solution

The fourth proportional to 3,251.20, 4,486.52 and 1,853.96 is: 2,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.20 : 4,486.52 = 1,853.96 : x
  2. Step 2: Convert to fraction form
    3,251.20/4,486.52 = 1,853.96/x
  3. Step 3: Cross multiply
    3,251.20x = 4,486.52 × 1,853.96
  4. Step 4: Simplify right side
    3,251.20x = 8,317,828.62
  5. Step 5: Solve for x
    x = 8,317,828.62/3,251.20
  6. Step 6: Final answer
    x = 2,558.39

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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.