Home / 3,260.61-4,891.38-1,873.71

Finding the Fourth Proportional to 3,260.61, 4,891.38 and 1,873.71

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Solution

The fourth proportional to 3,260.61, 4,891.38 and 1,873.71 is: 2,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.61 : 4,891.38 = 1,873.71 : x
  2. Step 2: Convert to fraction form
    3,260.61/4,891.38 = 1,873.71/x
  3. Step 3: Cross multiply
    3,260.61x = 4,891.38 × 1,873.71
  4. Step 4: Simplify right side
    3,260.61x = 9,165,027.62
  5. Step 5: Solve for x
    x = 9,165,027.62/3,260.61
  6. Step 6: Final answer
    x = 2,810.83

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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.