Home / 3,260.99-4,889.32-1,180.72

Finding the Fourth Proportional to 3,260.99, 4,889.32 and 1,180.72

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Solution

The fourth proportional to 3,260.99, 4,889.32 and 1,180.72 is: 1,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.99 : 4,889.32 = 1,180.72 : x
  2. Step 2: Convert to fraction form
    3,260.99/4,889.32 = 1,180.72/x
  3. Step 3: Cross multiply
    3,260.99x = 4,889.32 × 1,180.72
  4. Step 4: Simplify right side
    3,260.99x = 5,772,917.91
  5. Step 5: Solve for x
    x = 5,772,917.91/3,260.99
  6. Step 6: Final answer
    x = 1,770.30

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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.