Home / 2,687.46-3,708.82-1,508.50

Finding the Fourth Proportional to 2,687.46, 3,708.82 and 1,508.50

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Solution

The fourth proportional to 2,687.46, 3,708.82 and 1,508.50 is: 2,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.46 : 3,708.82 = 1,508.50 : x
  2. Step 2: Convert to fraction form
    2,687.46/3,708.82 = 1,508.50/x
  3. Step 3: Cross multiply
    2,687.46x = 3,708.82 × 1,508.50
  4. Step 4: Simplify right side
    2,687.46x = 5,594,754.97
  5. Step 5: Solve for x
    x = 5,594,754.97/2,687.46
  6. Step 6: Final answer
    x = 2,081.80

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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.