Home / 3,381.14-5,071.89-1,042.75

Finding the Fourth Proportional to 3,381.14, 5,071.89 and 1,042.75

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Solution

The fourth proportional to 3,381.14, 5,071.89 and 1,042.75 is: 1,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.14 : 5,071.89 = 1,042.75 : x
  2. Step 2: Convert to fraction form
    3,381.14/5,071.89 = 1,042.75/x
  3. Step 3: Cross multiply
    3,381.14x = 5,071.89 × 1,042.75
  4. Step 4: Simplify right side
    3,381.14x = 5,288,725.98
  5. Step 5: Solve for x
    x = 5,288,725.98/3,381.14
  6. Step 6: Final answer
    x = 1,564.18

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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.