Home / 2,517.24-3,473.04-1,991.64

Finding the Fourth Proportional to 2,517.24, 3,473.04 and 1,991.64

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Solution

The fourth proportional to 2,517.24, 3,473.04 and 1,991.64 is: 2,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.24 : 3,473.04 = 1,991.64 : x
  2. Step 2: Convert to fraction form
    2,517.24/3,473.04 = 1,991.64/x
  3. Step 3: Cross multiply
    2,517.24x = 3,473.04 × 1,991.64
  4. Step 4: Simplify right side
    2,517.24x = 6,917,045.39
  5. Step 5: Solve for x
    x = 6,917,045.39/2,517.24
  6. Step 6: Final answer
    x = 2,747.87

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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.