Home / 3,260.45-4,889.13-1,179.87

Finding the Fourth Proportional to 3,260.45, 4,889.13 and 1,179.87

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Solution

The fourth proportional to 3,260.45, 4,889.13 and 1,179.87 is: 1,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.45 : 4,889.13 = 1,179.87 : x
  2. Step 2: Convert to fraction form
    3,260.45/4,889.13 = 1,179.87/x
  3. Step 3: Cross multiply
    3,260.45x = 4,889.13 × 1,179.87
  4. Step 4: Simplify right side
    3,260.45x = 5,768,537.81
  5. Step 5: Solve for x
    x = 5,768,537.81/3,260.45
  6. Step 6: Final answer
    x = 1,769.25

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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.