Home / 3,649.05-5,469.66-2,085.69

Finding the Fourth Proportional to 3,649.05, 5,469.66 and 2,085.69

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Solution

The fourth proportional to 3,649.05, 5,469.66 and 2,085.69 is: 3,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.05 : 5,469.66 = 2,085.69 : x
  2. Step 2: Convert to fraction form
    3,649.05/5,469.66 = 2,085.69/x
  3. Step 3: Cross multiply
    3,649.05x = 5,469.66 × 2,085.69
  4. Step 4: Simplify right side
    3,649.05x = 11,408,015.17
  5. Step 5: Solve for x
    x = 11,408,015.17/3,649.05
  6. Step 6: Final answer
    x = 3,126.30

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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.