Home / 3,955.25-5,458.23-2,186.84

Finding the Fourth Proportional to 3,955.25, 5,458.23 and 2,186.84

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Solution

The fourth proportional to 3,955.25, 5,458.23 and 2,186.84 is: 3,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.25 : 5,458.23 = 2,186.84 : x
  2. Step 2: Convert to fraction form
    3,955.25/5,458.23 = 2,186.84/x
  3. Step 3: Cross multiply
    3,955.25x = 5,458.23 × 2,186.84
  4. Step 4: Simplify right side
    3,955.25x = 11,936,248.40
  5. Step 5: Solve for x
    x = 11,936,248.40/3,955.25
  6. Step 6: Final answer
    x = 3,017.83

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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.