Home / 3,110.82-4,664.85-1,649.64

Finding the Fourth Proportional to 3,110.82, 4,664.85 and 1,649.64

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Solution

The fourth proportional to 3,110.82, 4,664.85 and 1,649.64 is: 2,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.82 : 4,664.85 = 1,649.64 : x
  2. Step 2: Convert to fraction form
    3,110.82/4,664.85 = 1,649.64/x
  3. Step 3: Cross multiply
    3,110.82x = 4,664.85 × 1,649.64
  4. Step 4: Simplify right side
    3,110.82x = 7,695,323.15
  5. Step 5: Solve for x
    x = 7,695,323.15/3,110.82
  6. Step 6: Final answer
    x = 2,473.73

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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.