Home / 2,299.72-3,450.30-2,162.20

Finding the Fourth Proportional to 2,299.72, 3,450.30 and 2,162.20

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Solution

The fourth proportional to 2,299.72, 3,450.30 and 2,162.20 is: 3,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.72 : 3,450.30 = 2,162.20 : x
  2. Step 2: Convert to fraction form
    2,299.72/3,450.30 = 2,162.20/x
  3. Step 3: Cross multiply
    2,299.72x = 3,450.30 × 2,162.20
  4. Step 4: Simplify right side
    2,299.72x = 7,460,238.66
  5. Step 5: Solve for x
    x = 7,460,238.66/2,299.72
  6. Step 6: Final answer
    x = 3,243.98

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1.5x scale

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.