Home / 3,264.75-4,505.37-1,919.99

Finding the Fourth Proportional to 3,264.75, 4,505.37 and 1,919.99

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Solution

The fourth proportional to 3,264.75, 4,505.37 and 1,919.99 is: 2,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.75 : 4,505.37 = 1,919.99 : x
  2. Step 2: Convert to fraction form
    3,264.75/4,505.37 = 1,919.99/x
  3. Step 3: Cross multiply
    3,264.75x = 4,505.37 × 1,919.99
  4. Step 4: Simplify right side
    3,264.75x = 8,650,265.35
  5. Step 5: Solve for x
    x = 8,650,265.35/3,264.75
  6. Step 6: Final answer
    x = 2,649.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.