Home / 3,281.13-4,531.03-2,104.25

Finding the Fourth Proportional to 3,281.13, 4,531.03 and 2,104.25

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Solution

The fourth proportional to 3,281.13, 4,531.03 and 2,104.25 is: 2,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.13 : 4,531.03 = 2,104.25 : x
  2. Step 2: Convert to fraction form
    3,281.13/4,531.03 = 2,104.25/x
  3. Step 3: Cross multiply
    3,281.13x = 4,531.03 × 2,104.25
  4. Step 4: Simplify right side
    3,281.13x = 9,534,391.96
  5. Step 5: Solve for x
    x = 9,534,391.96/3,281.13
  6. Step 6: Final answer
    x = 2,905.83

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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.