Home / 2,227.97-3,340.85-841.25

Finding the Fourth Proportional to 2,227.97, 3,340.85 and 841.25

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Solution

The fourth proportional to 2,227.97, 3,340.85 and 841.25 is: 1,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.97 : 3,340.85 = 841.25 : x
  2. Step 2: Convert to fraction form
    2,227.97/3,340.85 = 841.25/x
  3. Step 3: Cross multiply
    2,227.97x = 3,340.85 × 841.25
  4. Step 4: Simplify right side
    2,227.97x = 2,810,494.21
  5. Step 5: Solve for x
    x = 2,810,494.21/2,227.97
  6. Step 6: Final answer
    x = 1,261.46

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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.