Home / 2,320.22-3,202.05-1,272.29

Finding the Fourth Proportional to 2,320.22, 3,202.05 and 1,272.29

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Solution

The fourth proportional to 2,320.22, 3,202.05 and 1,272.29 is: 1,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.22 : 3,202.05 = 1,272.29 : x
  2. Step 2: Convert to fraction form
    2,320.22/3,202.05 = 1,272.29/x
  3. Step 3: Cross multiply
    2,320.22x = 3,202.05 × 1,272.29
  4. Step 4: Simplify right side
    2,320.22x = 4,073,920.18
  5. Step 5: Solve for x
    x = 4,073,920.18/2,320.22
  6. Step 6: Final answer
    x = 1,755.84

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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.