Home / 3,174.14-4,381.86-2,113.68

Finding the Fourth Proportional to 3,174.14, 4,381.86 and 2,113.68

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Solution

The fourth proportional to 3,174.14, 4,381.86 and 2,113.68 is: 2,917.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.14 : 4,381.86 = 2,113.68 : x
  2. Step 2: Convert to fraction form
    3,174.14/4,381.86 = 2,113.68/x
  3. Step 3: Cross multiply
    3,174.14x = 4,381.86 × 2,113.68
  4. Step 4: Simplify right side
    3,174.14x = 9,261,849.84
  5. Step 5: Solve for x
    x = 9,261,849.84/3,174.14
  6. Step 6: Final answer
    x = 2,917.91

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