Home / 2,252.16-3,107.16-1,320.48

Finding the Fourth Proportional to 2,252.16, 3,107.16 and 1,320.48

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Solution

The fourth proportional to 2,252.16, 3,107.16 and 1,320.48 is: 1,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.16 : 3,107.16 = 1,320.48 : x
  2. Step 2: Convert to fraction form
    2,252.16/3,107.16 = 1,320.48/x
  3. Step 3: Cross multiply
    2,252.16x = 3,107.16 × 1,320.48
  4. Step 4: Simplify right side
    2,252.16x = 4,102,942.64
  5. Step 5: Solve for x
    x = 4,102,942.64/2,252.16
  6. Step 6: Final answer
    x = 1,821.78

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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.