Home / 2,320.35-3,201.42-1,821.44

Finding the Fourth Proportional to 2,320.35, 3,201.42 and 1,821.44

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Solution

The fourth proportional to 2,320.35, 3,201.42 and 1,821.44 is: 2,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.35 : 3,201.42 = 1,821.44 : x
  2. Step 2: Convert to fraction form
    2,320.35/3,201.42 = 1,821.44/x
  3. Step 3: Cross multiply
    2,320.35x = 3,201.42 × 1,821.44
  4. Step 4: Simplify right side
    2,320.35x = 5,831,194.44
  5. Step 5: Solve for x
    x = 5,831,194.44/2,320.35
  6. Step 6: Final answer
    x = 2,513.07

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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.