Home / 3,811.48-5,260.66-2,319.88

Finding the Fourth Proportional to 3,811.48, 5,260.66 and 2,319.88

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Solution

The fourth proportional to 3,811.48, 5,260.66 and 2,319.88 is: 3,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.48 : 5,260.66 = 2,319.88 : x
  2. Step 2: Convert to fraction form
    3,811.48/5,260.66 = 2,319.88/x
  3. Step 3: Cross multiply
    3,811.48x = 5,260.66 × 2,319.88
  4. Step 4: Simplify right side
    3,811.48x = 12,204,062.02
  5. Step 5: Solve for x
    x = 12,204,062.02/3,811.48
  6. Step 6: Final answer
    x = 3,201.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.