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Finding the Fourth Proportional to 2,709.38, 3,738.95 and 1,467.38

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Solution

The fourth proportional to 2,709.38, 3,738.95 and 1,467.38 is: 2,024.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.38 : 3,738.95 = 1,467.38 : x
  2. Step 2: Convert to fraction form
    2,709.38/3,738.95 = 1,467.38/x
  3. Step 3: Cross multiply
    2,709.38x = 3,738.95 × 1,467.38
  4. Step 4: Simplify right side
    2,709.38x = 5,486,460.45
  5. Step 5: Solve for x
    x = 5,486,460.45/2,709.38
  6. Step 6: Final answer
    x = 2,024.99

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1.5x scale

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.