Home / 3,955.89-5,936.60-2,918.58

Finding the Fourth Proportional to 3,955.89, 5,936.60 and 2,918.58

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Solution

The fourth proportional to 3,955.89, 5,936.60 and 2,918.58 is: 4,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.89 : 5,936.60 = 2,918.58 : x
  2. Step 2: Convert to fraction form
    3,955.89/5,936.60 = 2,918.58/x
  3. Step 3: Cross multiply
    3,955.89x = 5,936.60 × 2,918.58
  4. Step 4: Simplify right side
    3,955.89x = 17,326,442.03
  5. Step 5: Solve for x
    x = 17,326,442.03/3,955.89
  6. Step 6: Final answer
    x = 4,379.91

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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.