Home / 3,494.40-5,241.60-1,185.28

Finding the Fourth Proportional to 3,494.40, 5,241.60 and 1,185.28

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Solution

The fourth proportional to 3,494.40, 5,241.60 and 1,185.28 is: 1,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.40 : 5,241.60 = 1,185.28 : x
  2. Step 2: Convert to fraction form
    3,494.40/5,241.60 = 1,185.28/x
  3. Step 3: Cross multiply
    3,494.40x = 5,241.60 × 1,185.28
  4. Step 4: Simplify right side
    3,494.40x = 6,212,763.65
  5. Step 5: Solve for x
    x = 6,212,763.65/3,494.40
  6. Step 6: Final answer
    x = 1,777.92

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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.