Home / 2,741.36-4,115.85-1,408.08

Finding the Fourth Proportional to 2,741.36, 4,115.85 and 1,408.08

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Solution

The fourth proportional to 2,741.36, 4,115.85 and 1,408.08 is: 2,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.36 : 4,115.85 = 1,408.08 : x
  2. Step 2: Convert to fraction form
    2,741.36/4,115.85 = 1,408.08/x
  3. Step 3: Cross multiply
    2,741.36x = 4,115.85 × 1,408.08
  4. Step 4: Simplify right side
    2,741.36x = 5,795,456.22
  5. Step 5: Solve for x
    x = 5,795,456.22/2,741.36
  6. Step 6: Final answer
    x = 2,114.08

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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.