Home / 3,828.52-5,741.70-2,185.84

Finding the Fourth Proportional to 3,828.52, 5,741.70 and 2,185.84

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Solution

The fourth proportional to 3,828.52, 5,741.70 and 2,185.84 is: 3,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.52 : 5,741.70 = 2,185.84 : x
  2. Step 2: Convert to fraction form
    3,828.52/5,741.70 = 2,185.84/x
  3. Step 3: Cross multiply
    3,828.52x = 5,741.70 × 2,185.84
  4. Step 4: Simplify right side
    3,828.52x = 12,550,437.53
  5. Step 5: Solve for x
    x = 12,550,437.53/3,828.52
  6. Step 6: Final answer
    x = 3,278.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.