Home / 2,252.44-3,107.82-1,320.76

Finding the Fourth Proportional to 2,252.44, 3,107.82 and 1,320.76

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Solution

The fourth proportional to 2,252.44, 3,107.82 and 1,320.76 is: 1,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.44 : 3,107.82 = 1,320.76 : x
  2. Step 2: Convert to fraction form
    2,252.44/3,107.82 = 1,320.76/x
  3. Step 3: Cross multiply
    2,252.44x = 3,107.82 × 1,320.76
  4. Step 4: Simplify right side
    2,252.44x = 4,104,684.34
  5. Step 5: Solve for x
    x = 4,104,684.34/2,252.44
  6. Step 6: Final answer
    x = 1,822.33

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1.5x scale

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.