Home / 2,715.05-3,745.94-1,874.43

Finding the Fourth Proportional to 2,715.05, 3,745.94 and 1,874.43

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Solution

The fourth proportional to 2,715.05, 3,745.94 and 1,874.43 is: 2,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.05 : 3,745.94 = 1,874.43 : x
  2. Step 2: Convert to fraction form
    2,715.05/3,745.94 = 1,874.43/x
  3. Step 3: Cross multiply
    2,715.05x = 3,745.94 × 1,874.43
  4. Step 4: Simplify right side
    2,715.05x = 7,021,492.94
  5. Step 5: Solve for x
    x = 7,021,492.94/2,715.05
  6. Step 6: Final answer
    x = 2,586.14

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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.