Home / 3,686.82-5,086.14-2,491.41

Finding the Fourth Proportional to 3,686.82, 5,086.14 and 2,491.41

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Solution

The fourth proportional to 3,686.82, 5,086.14 and 2,491.41 is: 3,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.82 : 5,086.14 = 2,491.41 : x
  2. Step 2: Convert to fraction form
    3,686.82/5,086.14 = 2,491.41/x
  3. Step 3: Cross multiply
    3,686.82x = 5,086.14 × 2,491.41
  4. Step 4: Simplify right side
    3,686.82x = 12,671,660.06
  5. Step 5: Solve for x
    x = 12,671,660.06/3,686.82
  6. Step 6: Final answer
    x = 3,437.02

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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.