Home / 2,252.27-3,371.48-1,920.12

Finding the Fourth Proportional to 2,252.27, 3,371.48 and 1,920.12

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Solution

The fourth proportional to 2,252.27, 3,371.48 and 1,920.12 is: 2,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.27 : 3,371.48 = 1,920.12 : x
  2. Step 2: Convert to fraction form
    2,252.27/3,371.48 = 1,920.12/x
  3. Step 3: Cross multiply
    2,252.27x = 3,371.48 × 1,920.12
  4. Step 4: Simplify right side
    2,252.27x = 6,473,650.98
  5. Step 5: Solve for x
    x = 6,473,650.98/2,252.27
  6. Step 6: Final answer
    x = 2,874.28

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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.