Home / 3,020.34-4,531.17-1,072.56

Finding the Fourth Proportional to 3,020.34, 4,531.17 and 1,072.56

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Solution

The fourth proportional to 3,020.34, 4,531.17 and 1,072.56 is: 1,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.34 : 4,531.17 = 1,072.56 : x
  2. Step 2: Convert to fraction form
    3,020.34/4,531.17 = 1,072.56/x
  3. Step 3: Cross multiply
    3,020.34x = 4,531.17 × 1,072.56
  4. Step 4: Simplify right side
    3,020.34x = 4,859,951.70
  5. Step 5: Solve for x
    x = 4,859,951.70/3,020.34
  6. Step 6: Final answer
    x = 1,609.07

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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.