Home / 3,157.12-4,352.26-2,209.97

Finding the Fourth Proportional to 3,157.12, 4,352.26 and 2,209.97

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Solution

The fourth proportional to 3,157.12, 4,352.26 and 2,209.97 is: 3,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.12 : 4,352.26 = 2,209.97 : x
  2. Step 2: Convert to fraction form
    3,157.12/4,352.26 = 2,209.97/x
  3. Step 3: Cross multiply
    3,157.12x = 4,352.26 × 2,209.97
  4. Step 4: Simplify right side
    3,157.12x = 9,618,364.03
  5. Step 5: Solve for x
    x = 9,618,364.03/3,157.12
  6. Step 6: Final answer
    x = 3,046.56

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1.5x scale

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.