Home / 2,204.20-3,042.30-1,320.52

Finding the Fourth Proportional to 2,204.20, 3,042.30 and 1,320.52

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Solution

The fourth proportional to 2,204.20, 3,042.30 and 1,320.52 is: 1,822.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.20 : 3,042.30 = 1,320.52 : x
  2. Step 2: Convert to fraction form
    2,204.20/3,042.30 = 1,320.52/x
  3. Step 3: Cross multiply
    2,204.20x = 3,042.30 × 1,320.52
  4. Step 4: Simplify right side
    2,204.20x = 4,017,418.00
  5. Step 5: Solve for x
    x = 4,017,418.00/2,204.20
  6. Step 6: Final answer
    x = 1,822.62

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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.