Home / 2,747.01-4,121.88-1,103.57

Finding the Fourth Proportional to 2,747.01, 4,121.88 and 1,103.57

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Solution

The fourth proportional to 2,747.01, 4,121.88 and 1,103.57 is: 1,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.01 : 4,121.88 = 1,103.57 : x
  2. Step 2: Convert to fraction form
    2,747.01/4,121.88 = 1,103.57/x
  3. Step 3: Cross multiply
    2,747.01x = 4,121.88 × 1,103.57
  4. Step 4: Simplify right side
    2,747.01x = 4,548,783.11
  5. Step 5: Solve for x
    x = 4,548,783.11/2,747.01
  6. Step 6: Final answer
    x = 1,655.90

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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.