Home / 3,954.04-5,456.40-2,185.84

Finding the Fourth Proportional to 3,954.04, 5,456.40 and 2,185.84

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Solution

The fourth proportional to 3,954.04, 5,456.40 and 2,185.84 is: 3,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.04 : 5,456.40 = 2,185.84 : x
  2. Step 2: Convert to fraction form
    3,954.04/5,456.40 = 2,185.84/x
  3. Step 3: Cross multiply
    3,954.04x = 5,456.40 × 2,185.84
  4. Step 4: Simplify right side
    3,954.04x = 11,926,817.38
  5. Step 5: Solve for x
    x = 11,926,817.38/3,954.04
  6. Step 6: Final answer
    x = 3,016.36

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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.