Home / 3,964.66-5,471.21-2,196.23

Finding the Fourth Proportional to 3,964.66, 5,471.21 and 2,196.23

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Solution

The fourth proportional to 3,964.66, 5,471.21 and 2,196.23 is: 3,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.66 : 5,471.21 = 2,196.23 : x
  2. Step 2: Convert to fraction form
    3,964.66/5,471.21 = 2,196.23/x
  3. Step 3: Cross multiply
    3,964.66x = 5,471.21 × 2,196.23
  4. Step 4: Simplify right side
    3,964.66x = 12,016,013.67
  5. Step 5: Solve for x
    x = 12,016,013.67/3,964.66
  6. Step 6: Final answer
    x = 3,030.78

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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.