Home / 3,408.09-5,114.94-1,765.14

Finding the Fourth Proportional to 3,408.09, 5,114.94 and 1,765.14

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Solution

The fourth proportional to 3,408.09, 5,114.94 and 1,765.14 is: 2,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.09 : 5,114.94 = 1,765.14 : x
  2. Step 2: Convert to fraction form
    3,408.09/5,114.94 = 1,765.14/x
  3. Step 3: Cross multiply
    3,408.09x = 5,114.94 × 1,765.14
  4. Step 4: Simplify right side
    3,408.09x = 9,028,585.19
  5. Step 5: Solve for x
    x = 9,028,585.19/3,408.09
  6. Step 6: Final answer
    x = 2,649.16

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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.