Home / 3,326.27-4,990.01-1,247.72

Finding the Fourth Proportional to 3,326.27, 4,990.01 and 1,247.72

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Solution

The fourth proportional to 3,326.27, 4,990.01 and 1,247.72 is: 1,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.27 : 4,990.01 = 1,247.72 : x
  2. Step 2: Convert to fraction form
    3,326.27/4,990.01 = 1,247.72/x
  3. Step 3: Cross multiply
    3,326.27x = 4,990.01 × 1,247.72
  4. Step 4: Simplify right side
    3,326.27x = 6,226,104.09
  5. Step 5: Solve for x
    x = 6,226,104.09/3,326.27
  6. Step 6: Final answer
    x = 1,871.80

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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.