Home / 2,408.45-3,614.57-1,238.40

Finding the Fourth Proportional to 2,408.45, 3,614.57 and 1,238.40

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Solution

The fourth proportional to 2,408.45, 3,614.57 and 1,238.40 is: 1,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.45 : 3,614.57 = 1,238.40 : x
  2. Step 2: Convert to fraction form
    2,408.45/3,614.57 = 1,238.40/x
  3. Step 3: Cross multiply
    2,408.45x = 3,614.57 × 1,238.40
  4. Step 4: Simplify right side
    2,408.45x = 4,476,283.49
  5. Step 5: Solve for x
    x = 4,476,283.49/2,408.45
  6. Step 6: Final answer
    x = 1,858.57

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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.