Home / 2,767.21-4,149.73-1,227.13

Finding the Fourth Proportional to 2,767.21, 4,149.73 and 1,227.13

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Solution

The fourth proportional to 2,767.21, 4,149.73 and 1,227.13 is: 1,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.21 : 4,149.73 = 1,227.13 : x
  2. Step 2: Convert to fraction form
    2,767.21/4,149.73 = 1,227.13/x
  3. Step 3: Cross multiply
    2,767.21x = 4,149.73 × 1,227.13
  4. Step 4: Simplify right side
    2,767.21x = 5,092,258.17
  5. Step 5: Solve for x
    x = 5,092,258.17/2,767.21
  6. Step 6: Final answer
    x = 1,840.21

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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.