Home / 2,752.22-4,128.37-804.38

Finding the Fourth Proportional to 2,752.22, 4,128.37 and 804.38

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Solution

The fourth proportional to 2,752.22, 4,128.37 and 804.38 is: 1,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.22 : 4,128.37 = 804.38 : x
  2. Step 2: Convert to fraction form
    2,752.22/4,128.37 = 804.38/x
  3. Step 3: Cross multiply
    2,752.22x = 4,128.37 × 804.38
  4. Step 4: Simplify right side
    2,752.22x = 3,320,755.61
  5. Step 5: Solve for x
    x = 3,320,755.61/2,752.22
  6. Step 6: Final answer
    x = 1,206.57

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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.