Home / 2,481.13-3,422.95-1,693.81

Finding the Fourth Proportional to 2,481.13, 3,422.95 and 1,693.81

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Solution

The fourth proportional to 2,481.13, 3,422.95 and 1,693.81 is: 2,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.13 : 3,422.95 = 1,693.81 : x
  2. Step 2: Convert to fraction form
    2,481.13/3,422.95 = 1,693.81/x
  3. Step 3: Cross multiply
    2,481.13x = 3,422.95 × 1,693.81
  4. Step 4: Simplify right side
    2,481.13x = 5,797,826.94
  5. Step 5: Solve for x
    x = 5,797,826.94/2,481.13
  6. Step 6: Final answer
    x = 2,336.77

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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.