Home / 3,263.20-4,898.40-1,805.20

Finding the Fourth Proportional to 3,263.20, 4,898.40 and 1,805.20

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Solution

The fourth proportional to 3,263.20, 4,898.40 and 1,805.20 is: 2,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.20 : 4,898.40 = 1,805.20 : x
  2. Step 2: Convert to fraction form
    3,263.20/4,898.40 = 1,805.20/x
  3. Step 3: Cross multiply
    3,263.20x = 4,898.40 × 1,805.20
  4. Step 4: Simplify right side
    3,263.20x = 8,842,591.68
  5. Step 5: Solve for x
    x = 8,842,591.68/3,263.20
  6. Step 6: Final answer
    x = 2,709.79

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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.