Home / 2,235.30-3,348.90-1,822.20

Finding the Fourth Proportional to 2,235.30, 3,348.90 and 1,822.20

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Solution

The fourth proportional to 2,235.30, 3,348.90 and 1,822.20 is: 2,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.30 : 3,348.90 = 1,822.20 : x
  2. Step 2: Convert to fraction form
    2,235.30/3,348.90 = 1,822.20/x
  3. Step 3: Cross multiply
    2,235.30x = 3,348.90 × 1,822.20
  4. Step 4: Simplify right side
    2,235.30x = 6,102,365.58
  5. Step 5: Solve for x
    x = 6,102,365.58/2,235.30
  6. Step 6: Final answer
    x = 2,730.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.