Home / 2,320.29-3,201.96-1,272.33

Finding the Fourth Proportional to 2,320.29, 3,201.96 and 1,272.33

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Solution

The fourth proportional to 2,320.29, 3,201.96 and 1,272.33 is: 1,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.29 : 3,201.96 = 1,272.33 : x
  2. Step 2: Convert to fraction form
    2,320.29/3,201.96 = 1,272.33/x
  3. Step 3: Cross multiply
    2,320.29x = 3,201.96 × 1,272.33
  4. Step 4: Simplify right side
    2,320.29x = 4,073,949.77
  5. Step 5: Solve for x
    x = 4,073,949.77/2,320.29
  6. Step 6: Final answer
    x = 1,755.79

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1.5x scale

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.