Home / 2,206.23-3,043.82-1,261.34

Finding the Fourth Proportional to 2,206.23, 3,043.82 and 1,261.34

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Solution

The fourth proportional to 2,206.23, 3,043.82 and 1,261.34 is: 1,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.23 : 3,043.82 = 1,261.34 : x
  2. Step 2: Convert to fraction form
    2,206.23/3,043.82 = 1,261.34/x
  3. Step 3: Cross multiply
    2,206.23x = 3,043.82 × 1,261.34
  4. Step 4: Simplify right side
    2,206.23x = 3,839,270.39
  5. Step 5: Solve for x
    x = 3,839,270.39/2,206.23
  6. Step 6: Final answer
    x = 1,740.19

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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.