Home / 3,381.92-5,073.36-1,042.11

Finding the Fourth Proportional to 3,381.92, 5,073.36 and 1,042.11

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Solution

The fourth proportional to 3,381.92, 5,073.36 and 1,042.11 is: 1,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.92 : 5,073.36 = 1,042.11 : x
  2. Step 2: Convert to fraction form
    3,381.92/5,073.36 = 1,042.11/x
  3. Step 3: Cross multiply
    3,381.92x = 5,073.36 × 1,042.11
  4. Step 4: Simplify right side
    3,381.92x = 5,287,018.21
  5. Step 5: Solve for x
    x = 5,287,018.21/3,381.92
  6. Step 6: Final answer
    x = 1,563.32

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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.