Home / 2,172.24-3,252.18-1,842.81

Finding the Fourth Proportional to 2,172.24, 3,252.18 and 1,842.81

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Solution

The fourth proportional to 2,172.24, 3,252.18 and 1,842.81 is: 2,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.24 : 3,252.18 = 1,842.81 : x
  2. Step 2: Convert to fraction form
    2,172.24/3,252.18 = 1,842.81/x
  3. Step 3: Cross multiply
    2,172.24x = 3,252.18 × 1,842.81
  4. Step 4: Simplify right side
    2,172.24x = 5,993,149.83
  5. Step 5: Solve for x
    x = 5,993,149.83/2,172.24
  6. Step 6: Final answer
    x = 2,758.97

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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.