Home / 3,649.74-5,465.83-2,085

Finding the Fourth Proportional to 3,649.74, 5,465.83 and 2,085

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Solution

The fourth proportional to 3,649.74, 5,465.83 and 2,085 is: 3,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.74 : 5,465.83 = 2,085 : x
  2. Step 2: Convert to fraction form
    3,649.74/5,465.83 = 2,085/x
  3. Step 3: Cross multiply
    3,649.74x = 5,465.83 × 2,085
  4. Step 4: Simplify right side
    3,649.74x = 11,396,255.55
  5. Step 5: Solve for x
    x = 11,396,255.55/3,649.74
  6. Step 6: Final answer
    x = 3,122.48

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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.