Home / 3,103.94-4,289.57-2,543.52

Finding the Fourth Proportional to 3,103.94, 4,289.57 and 2,543.52

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Solution

The fourth proportional to 3,103.94, 4,289.57 and 2,543.52 is: 3,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.94 : 4,289.57 = 2,543.52 : x
  2. Step 2: Convert to fraction form
    3,103.94/4,289.57 = 2,543.52/x
  3. Step 3: Cross multiply
    3,103.94x = 4,289.57 × 2,543.52
  4. Step 4: Simplify right side
    3,103.94x = 10,910,613.45
  5. Step 5: Solve for x
    x = 10,910,613.45/3,103.94
  6. Step 6: Final answer
    x = 3,515.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.