Home / 2,408.15-3,608.75-1,418.63

Finding the Fourth Proportional to 2,408.15, 3,608.75 and 1,418.63

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Solution

The fourth proportional to 2,408.15, 3,608.75 and 1,418.63 is: 2,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.15 : 3,608.75 = 1,418.63 : x
  2. Step 2: Convert to fraction form
    2,408.15/3,608.75 = 1,418.63/x
  3. Step 3: Cross multiply
    2,408.15x = 3,608.75 × 1,418.63
  4. Step 4: Simplify right side
    2,408.15x = 5,119,462.97
  5. Step 5: Solve for x
    x = 5,119,462.97/2,408.15
  6. Step 6: Final answer
    x = 2,125.89

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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.