Home / 3,291.55-4,542.34-1,966.03

Finding the Fourth Proportional to 3,291.55, 4,542.34 and 1,966.03

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Solution

The fourth proportional to 3,291.55, 4,542.34 and 1,966.03 is: 2,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.55 : 4,542.34 = 1,966.03 : x
  2. Step 2: Convert to fraction form
    3,291.55/4,542.34 = 1,966.03/x
  3. Step 3: Cross multiply
    3,291.55x = 4,542.34 × 1,966.03
  4. Step 4: Simplify right side
    3,291.55x = 8,930,383.15
  5. Step 5: Solve for x
    x = 8,930,383.15/3,291.55
  6. Step 6: Final answer
    x = 2,713.12

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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.