Home / 2,709.39-4,063.28-1,149.38

Finding the Fourth Proportional to 2,709.39, 4,063.28 and 1,149.38

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Solution

The fourth proportional to 2,709.39, 4,063.28 and 1,149.38 is: 1,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.39 : 4,063.28 = 1,149.38 : x
  2. Step 2: Convert to fraction form
    2,709.39/4,063.28 = 1,149.38/x
  3. Step 3: Cross multiply
    2,709.39x = 4,063.28 × 1,149.38
  4. Step 4: Simplify right side
    2,709.39x = 4,670,232.45
  5. Step 5: Solve for x
    x = 4,670,232.45/2,709.39
  6. Step 6: Final answer
    x = 1,723.72

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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.