Home / 2,248.97-3,371.63-2,120.18

Finding the Fourth Proportional to 2,248.97, 3,371.63 and 2,120.18

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Solution

The fourth proportional to 2,248.97, 3,371.63 and 2,120.18 is: 3,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.97 : 3,371.63 = 2,120.18 : x
  2. Step 2: Convert to fraction form
    2,248.97/3,371.63 = 2,120.18/x
  3. Step 3: Cross multiply
    2,248.97x = 3,371.63 × 2,120.18
  4. Step 4: Simplify right side
    2,248.97x = 7,148,435.03
  5. Step 5: Solve for x
    x = 7,148,435.03/2,248.97
  6. Step 6: Final answer
    x = 3,178.54

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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.