Home / 2,982.34-4,119.33-2,353.78

Finding the Fourth Proportional to 2,982.34, 4,119.33 and 2,353.78

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Solution

The fourth proportional to 2,982.34, 4,119.33 and 2,353.78 is: 3,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.34 : 4,119.33 = 2,353.78 : x
  2. Step 2: Convert to fraction form
    2,982.34/4,119.33 = 2,353.78/x
  3. Step 3: Cross multiply
    2,982.34x = 4,119.33 × 2,353.78
  4. Step 4: Simplify right side
    2,982.34x = 9,695,996.57
  5. Step 5: Solve for x
    x = 9,695,996.57/2,982.34
  6. Step 6: Final answer
    x = 3,251.14

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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.