Home / 3,260.61-4,891.20-1,039.76

Finding the Fourth Proportional to 3,260.61, 4,891.20 and 1,039.76

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Solution

The fourth proportional to 3,260.61, 4,891.20 and 1,039.76 is: 1,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.61 : 4,891.20 = 1,039.76 : x
  2. Step 2: Convert to fraction form
    3,260.61/4,891.20 = 1,039.76/x
  3. Step 3: Cross multiply
    3,260.61x = 4,891.20 × 1,039.76
  4. Step 4: Simplify right side
    3,260.61x = 5,085,693.15
  5. Step 5: Solve for x
    x = 5,085,693.15/3,260.61
  6. Step 6: Final answer
    x = 1,559.73

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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.