Home / 3,408.45-5,110.38-1,186.71

Finding the Fourth Proportional to 3,408.45, 5,110.38 and 1,186.71

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Solution

The fourth proportional to 3,408.45, 5,110.38 and 1,186.71 is: 1,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.45 : 5,110.38 = 1,186.71 : x
  2. Step 2: Convert to fraction form
    3,408.45/5,110.38 = 1,186.71/x
  3. Step 3: Cross multiply
    3,408.45x = 5,110.38 × 1,186.71
  4. Step 4: Simplify right side
    3,408.45x = 6,064,539.05
  5. Step 5: Solve for x
    x = 6,064,539.05/3,408.45
  6. Step 6: Final answer
    x = 1,779.27

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1.5x scale

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.