Home / 3,326.27-4,990.82-1,247.27

Finding the Fourth Proportional to 3,326.27, 4,990.82 and 1,247.27

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Solution

The fourth proportional to 3,326.27, 4,990.82 and 1,247.27 is: 1,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.27 : 4,990.82 = 1,247.27 : x
  2. Step 2: Convert to fraction form
    3,326.27/4,990.82 = 1,247.27/x
  3. Step 3: Cross multiply
    3,326.27x = 4,990.82 × 1,247.27
  4. Step 4: Simplify right side
    3,326.27x = 6,224,868.87
  5. Step 5: Solve for x
    x = 6,224,868.87/3,326.27
  6. Step 6: Final answer
    x = 1,871.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.