Home / 2,319.98-3,201.39-1,272.04

Finding the Fourth Proportional to 2,319.98, 3,201.39 and 1,272.04

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Solution

The fourth proportional to 2,319.98, 3,201.39 and 1,272.04 is: 1,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.98 : 3,201.39 = 1,272.04 : x
  2. Step 2: Convert to fraction form
    2,319.98/3,201.39 = 1,272.04/x
  3. Step 3: Cross multiply
    2,319.98x = 3,201.39 × 1,272.04
  4. Step 4: Simplify right side
    2,319.98x = 4,072,288.13
  5. Step 5: Solve for x
    x = 4,072,288.13/2,319.98
  6. Step 6: Final answer
    x = 1,755.32

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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.