Home / 2,872.13-4,310.21-1,141.16

Finding the Fourth Proportional to 2,872.13, 4,310.21 and 1,141.16

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Solution

The fourth proportional to 2,872.13, 4,310.21 and 1,141.16 is: 1,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.13 : 4,310.21 = 1,141.16 : x
  2. Step 2: Convert to fraction form
    2,872.13/4,310.21 = 1,141.16/x
  3. Step 3: Cross multiply
    2,872.13x = 4,310.21 × 1,141.16
  4. Step 4: Simplify right side
    2,872.13x = 4,918,620.55
  5. Step 5: Solve for x
    x = 4,918,620.55/2,872.13
  6. Step 6: Final answer
    x = 1,712.54

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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.