Home / 3,180.13-4,767.99-1,400.33

Finding the Fourth Proportional to 3,180.13, 4,767.99 and 1,400.33

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Solution

The fourth proportional to 3,180.13, 4,767.99 and 1,400.33 is: 2,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.13 : 4,767.99 = 1,400.33 : x
  2. Step 2: Convert to fraction form
    3,180.13/4,767.99 = 1,400.33/x
  3. Step 3: Cross multiply
    3,180.13x = 4,767.99 × 1,400.33
  4. Step 4: Simplify right side
    3,180.13x = 6,676,759.44
  5. Step 5: Solve for x
    x = 6,676,759.44/3,180.13
  6. Step 6: Final answer
    x = 2,099.52

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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.