Home / 3,068.85-4,229.96-2,171.43

Finding the Fourth Proportional to 3,068.85, 4,229.96 and 2,171.43

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Solution

The fourth proportional to 3,068.85, 4,229.96 and 2,171.43 is: 2,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.85 : 4,229.96 = 2,171.43 : x
  2. Step 2: Convert to fraction form
    3,068.85/4,229.96 = 2,171.43/x
  3. Step 3: Cross multiply
    3,068.85x = 4,229.96 × 2,171.43
  4. Step 4: Simplify right side
    3,068.85x = 9,185,051.19
  5. Step 5: Solve for x
    x = 9,185,051.19/3,068.85
  6. Step 6: Final answer
    x = 2,992.99

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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.