Home / 2,208.13-3,295.67-2,171.68

Finding the Fourth Proportional to 2,208.13, 3,295.67 and 2,171.68

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Solution

The fourth proportional to 2,208.13, 3,295.67 and 2,171.68 is: 3,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.13 : 3,295.67 = 2,171.68 : x
  2. Step 2: Convert to fraction form
    2,208.13/3,295.67 = 2,171.68/x
  3. Step 3: Cross multiply
    2,208.13x = 3,295.67 × 2,171.68
  4. Step 4: Simplify right side
    2,208.13x = 7,157,140.63
  5. Step 5: Solve for x
    x = 7,157,140.63/2,208.13
  6. Step 6: Final answer
    x = 3,241.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.