Home / 3,294.21-4,939.13-1,538.28

Finding the Fourth Proportional to 3,294.21, 4,939.13 and 1,538.28

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Solution

The fourth proportional to 3,294.21, 4,939.13 and 1,538.28 is: 2,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.21 : 4,939.13 = 1,538.28 : x
  2. Step 2: Convert to fraction form
    3,294.21/4,939.13 = 1,538.28/x
  3. Step 3: Cross multiply
    3,294.21x = 4,939.13 × 1,538.28
  4. Step 4: Simplify right side
    3,294.21x = 7,597,764.90
  5. Step 5: Solve for x
    x = 7,597,764.90/3,294.21
  6. Step 6: Final answer
    x = 2,306.40

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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.