Home / 2,747.24-4,119.60-1,102.40

Finding the Fourth Proportional to 2,747.24, 4,119.60 and 1,102.40

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Solution

The fourth proportional to 2,747.24, 4,119.60 and 1,102.40 is: 1,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.24 : 4,119.60 = 1,102.40 : x
  2. Step 2: Convert to fraction form
    2,747.24/4,119.60 = 1,102.40/x
  3. Step 3: Cross multiply
    2,747.24x = 4,119.60 × 1,102.40
  4. Step 4: Simplify right side
    2,747.24x = 4,541,447.04
  5. Step 5: Solve for x
    x = 4,541,447.04/2,747.24
  6. Step 6: Final answer
    x = 1,653.09

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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.